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85370877 = 3237256369
BaseRepresentation
bin1010001011010…
…10011111111101
312221122021211100
411011222133331
5133323332002
612245443313
72054432454
oct505523775
9187567740
1085370877
114420a449
1224710539
13148c0c17
14b4a3b9b
15776511c
hex516a7fd

85370877 has 12 divisors (see below), whose sum is σ = 126646780. Its totient is φ = 55375488.

The previous prime is 85370861. The next prime is 85370899. The reversal of 85370877 is 77807358.

It can be written as a sum of positive squares in 2 ways, for example, as 70207641 + 15163236 = 8379^2 + 3894^2 .

It is not a de Polignac number, because 85370877 - 24 = 85370861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85370827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127852 + ... + 128517.

Almost surely, 285370877 is an apocalyptic number.

It is an amenable number.

85370877 is a deficient number, since it is larger than the sum of its proper divisors (41275903).

85370877 is a wasteful number, since it uses less digits than its factorization.

85370877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256412 (or 256409 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The square root of 85370877 is about 9239.6361941367. The cubic root of 85370877 is about 440.3215229152.

The spelling of 85370877 in words is "eighty-five million, three hundred seventy thousand, eight hundred seventy-seven".

Divisors: 1 3 9 37 111 333 256369 769107 2307321 9485653 28456959 85370877