87388064 has 24 divisors (see below), whose sum is σ = 172922400. Its totient is φ = 43471296.

The previous prime is 87388057. The next prime is 87388069. The reversal of 87388064 is 46088378.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (87388069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494 + ... + 13229.

It is an arithmetic number, because the mean of its divisors is an integer number (7205100).

Almost surely, 2^87388064 is an apocalyptic number.

It is an amenable number.

87388064 is a deficient number, since it is larger than the sum of its proper divisors (85534336).

87388064 is a wasteful number, since it uses less digits than its factorization.

87388064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13932 (or 13924 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 87388064 is about 9348.1583212952. The cubic root of 87388064 is about 443.7626088066.

The spelling of 87388064 in words is "eighty-seven million, three hundred eighty-eight thousand, sixty-four".