87679635872 has 96 divisors (see below), whose sum is σ = 176433163200. Its totient is φ = 42884773888.

The previous prime is 87679635821. The next prime is 87679635887. The reversal of 87679635872 is 27853697678.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149368763 + ... + 149369349.

It is an arithmetic number, because the mean of its divisors is an integer number (1837845450).

Almost surely, 2^87679635872 is an apocalyptic number.

It is an amenable number.

87679635872 is an abundant number, since it is smaller than the sum of its proper divisors (88753527328).

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

87679635872 is a wasteful number, since it uses less digits than its factorization.

87679635872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 1150 counting only the distinct ones).

The product of its digits is 213373440, while the sum is 68.

The spelling of 87679635872 in words is "eighty-seven billion, six hundred seventy-nine million, six hundred thirty-five thousand, eight hundred seventy-two".