87477672 has 32 divisors (see below), whose sum is σ = 230205600. Its totient is φ = 27624384.

The previous prime is 87477667. The next prime is 87477697. The reversal of 87477672 is 27677478.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95463 + ... + 96374.

It is an arithmetic number, because the mean of its divisors is an integer number (7193925).

Almost surely, 2^87477672 is an apocalyptic number.

It is an amenable number.

87477672 is an abundant number, since it is smaller than the sum of its proper divisors (142727928).

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

87477672 is a wasteful number, since it uses less digits than its factorization.

87477672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191865 (or 191861 counting only the distinct ones).

The product of its digits is 921984, while the sum is 48.

The square root of 87477672 is about 9352.9499089859. The cubic root of 87477672 is about 443.9142355245.

The spelling of 87477672 in words is "eighty-seven million, four hundred seventy-seven thousand, six hundred seventy-two".