Search a number
-
+
88878087071 = 677511766363
BaseRepresentation
bin101001011000110001…
…0111111101110011111
322111102001210121220122
41102301202333232133
52424010242241241
6104455141505155
76264324163244
oct1226142775637
9274361717818
1088878087071
11347693aa324
12152851121bb
1384c556b587
144431cd75cb
1524a2b1804b
hex14b18bfb9f

88878087071 has 8 divisors (see below), whose sum is σ = 90324789504. Its totient is φ = 87434919000.

The previous prime is 88878087049. The next prime is 88878087127. The reversal of 88878087071 is 17078087888.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88878087071 is a prime.

It is a super-2 number, since 2×888780870712 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88878086995 and 88878087013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88878087041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832865 + ... + 933498.

It is an arithmetic number, because the mean of its divisors is an integer number (11290598688).

Almost surely, 288878087071 is an apocalyptic number.

88878087071 is a deficient number, since it is larger than the sum of its proper divisors (1446702433).

88878087071 is a wasteful number, since it uses less digits than its factorization.

88878087071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767181.

The product of its (nonzero) digits is 11239424, while the sum is 62.

The spelling of 88878087071 in words is "eighty-eight billion, eight hundred seventy-eight million, eighty-seven thousand, seventy-one".

Divisors: 1 67 751 50317 1766363 118346321 1326538613 88878087071