87725164 has 24 divisors (see below), whose sum is σ = 160272000. Its totient is φ = 41965440.

The previous prime is 87725161. The next prime is 87725173. The reversal of 87725164 is 46152778.

It is not an unprimeable number, because it can be changed into a prime (87725161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7062 + ... + 15010.

It is an arithmetic number, because the mean of its divisors is an integer number (6678000).

Almost surely, 2^87725164 is an apocalyptic number.

It is an amenable number.

87725164 is a deficient number, since it is larger than the sum of its proper divisors (72546836).

87725164 is a wasteful number, since it uses less digits than its factorization.

87725164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8073 (or 8071 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 87725164 is about 9366.1712561751. The cubic root of 87725164 is about 444.3324823438.

The spelling of 87725164 in words is "eighty-seven million, seven hundred twenty-five thousand, one hundred sixty-four".