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8849879885 = 5711131227773
BaseRepresentation
bin10000011110111111…
…00111001101001101
3211211202121110221002
420033133213031031
5121111032124020
64022055350045
7432210511040
oct101737471515
924752543832
108849879885
113831587820
12186b982325
13ab063b822
145dd4d8c57
1536be26975
hex20f7e734d

8849879885 has 64 divisors (see below), whose sum is σ = 13417519104. Its totient is φ = 5443526400.

The previous prime is 8849879879. The next prime is 8849879893. The reversal of 8849879885 is 5889789488.

It is not a de Polignac number, because 8849879885 - 26 = 8849879821 is a prime.

It is a super-2 number, since 2×88498798852 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11448359 + ... + 11449131.

It is an arithmetic number, because the mean of its divisors is an integer number (209648736).

Almost surely, 28849879885 is an apocalyptic number.

It is an amenable number.

8849879885 is a deficient number, since it is larger than the sum of its proper divisors (4567639219).

8849879885 is a wasteful number, since it uses less digits than its factorization.

8849879885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154.

The product of its digits is 371589120, while the sum is 74.

The square root of 8849879885 is about 94073.8002049455. The cubic root of 8849879885 is about 2068.4536425754.

The spelling of 8849879885 in words is "eight billion, eight hundred forty-nine million, eight hundred seventy-nine thousand, eight hundred eighty-five".

Divisors: 1 5 7 11 35 55 77 131 227 385 655 773 917 1135 1441 1589 2497 3865 4585 5411 7205 7945 8503 10087 12485 17479 27055 29737 42515 50435 59521 87395 101263 148685 175471 208159 297605 327107 506315 708841 877355 1040795 1113893 1228297 1635535 1930181 2289749 3544205 5569465 6141485 7797251 9650905 11448745 13511267 22986701 38986255 67556335 114933505 160906907 252853711 804534535 1264268555 1769975977 8849879885