87879765276 has 72 divisors (see below), whose sum is σ = 233877687680. Its totient is φ = 27746097696.

The previous prime is 87879765241. The next prime is 87879765301. The reversal of 87879765276 is 67256797878.

87879765276 is a `hidden beast` number, since 8 + 7 + 8 + 7 + 97 + 6 + 527 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4920675 + ... + 4938501.

Almost surely, 2^87879765276 is an apocalyptic number.

It is an amenable number.

87879765276 is an abundant number, since it is smaller than the sum of its proper divisors (145997922404).

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

87879765276 is a wasteful number, since it uses less digits than its factorization.

87879765276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25063 (or 25058 counting only the distinct ones).

The product of its digits is 497871360, while the sum is 72.

The spelling of 87879765276 in words is "eighty-seven billion, eight hundred seventy-nine million, seven hundred sixty-five thousand, two hundred seventy-six".