87938164 has 12 divisors (see below), whose sum is σ = 155330784. Its totient is φ = 43557944.

The previous prime is 87938129. The next prime is 87938171. The reversal of 87938164 is 46183978.

It is a happy number.

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, 102304 + ... + 103159.

It is an arithmetic number, because the mean of its divisors is an integer number (12944232).

Almost surely, 2^87938164 is an apocalyptic number.

It is an amenable number.

87938164 is a deficient number, since it is larger than the sum of its proper divisors (67392620).

87938164 is a wasteful number, since it uses less digits than its factorization.

87938164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205574 (or 205572 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 87938164 is about 9377.5350705822. The cubic root of 87938164 is about 444.6918103435.

The spelling of 87938164 in words is "eighty-seven million, nine hundred thirty-eight thousand, one hundred sixty-four".