87736164 has 12 divisors (see below), whose sum is σ = 204717744. Its totient is φ = 29245384.

The previous prime is 87736141. The next prime is 87736199. The reversal of 87736164 is 46163778.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3655662 + ... + 3655685.

It is an arithmetic number, because the mean of its divisors is an integer number (17059812).

Almost surely, 2^87736164 is an apocalyptic number.

It is an amenable number.

87736164 is an abundant number, since it is smaller than the sum of its proper divisors (116981580).

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

87736164 is a wasteful number, since it uses less digits than its factorization.

87736164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7311354 (or 7311352 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 87736164 is about 9366.7584574387. The cubic root of 87736164 is about 444.3510534234.

The spelling of 87736164 in words is "eighty-seven million, seven hundred thirty-six thousand, one hundred sixty-four".