87477521910 has 64 divisors (see below), whose sum is σ = 211561459200. Its totient is φ = 23148018432.

The previous prime is 87477521897. The next prime is 87477521941. The reversal of 87477521910 is 1912577478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11376087 + ... + 11383773.

It is an arithmetic number, because the mean of its divisors is an integer number (3305647800).

Almost surely, 2^87477521910 is an apocalyptic number.

87477521910 is an abundant number, since it is smaller than the sum of its proper divisors (124083937290).

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

87477521910 is a wasteful number, since it uses less digits than its factorization.

87477521910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10565.

The product of its (nonzero) digits is 987840, while the sum is 51.

The spelling of 87477521910 in words is "eighty-seven billion, four hundred seventy-seven million, five hundred twenty-one thousand, nine hundred ten".