87883864 has 16 divisors (see below), whose sum is σ = 164898720. Its totient is φ = 43910880.

The previous prime is 87883847. The next prime is 87883877. The reversal of 87883864 is 46838878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11937 + ... + 17839.

It is an arithmetic number, because the mean of its divisors is an integer number (10306170).

Almost surely, 2^87883864 is an apocalyptic number.

It is an amenable number.

87883864 is a deficient number, since it is larger than the sum of its proper divisors (77014856).

87883864 is a wasteful number, since it uses less digits than its factorization.

87883864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7770 (or 7766 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 52.

The square root of 87883864 is about 9374.6394063985. The cubic root of 87883864 is about 444.6002621618.

The spelling of 87883864 in words is "eighty-seven million, eight hundred eighty-three thousand, eight hundred sixty-four".