87696518256 has 120 divisors (see below), whose sum is σ = 259163271120. Its totient is φ = 27606002688.

The previous prime is 87696518207. The next prime is 87696518263. The reversal of 87696518256 is 65281569678.

87696518256 is a `hidden beast` number, since 8 + 7 + 6 + 96 + 518 + 25 + 6 = 666.

It is a super-3 number, since 3×87696518256³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87696518193 and 87696518202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 816756 + ... + 917868.

It is an arithmetic number, because the mean of its divisors is an integer number (2159693926).

Almost surely, 2^87696518256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87696518256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129581635560).

87696518256 is an abundant number, since it is smaller than the sum of its proper divisors (171466752864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87696518256 is a wasteful number, since it uses less digits than its factorization.

87696518256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101463 (or 101454 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The spelling of 87696518256 in words is "eighty-seven billion, six hundred ninety-six million, five hundred eighteen thousand, two hundred fifty-six".