87664900 has 36 divisors (see below), whose sum is σ = 196376320. Its totient is φ = 33933600.

The previous prime is 87664867. The next prime is 87664901. The reversal of 87664900 is 946678.

It is not an unprimeable number, because it can be changed into a prime (87664901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11040 + ... + 17239.

Almost surely, 2^87664900 is an apocalyptic number.

It is an amenable number.

87664900 is an abundant number, since it is smaller than the sum of its proper divisors (108711420).

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

87664900 is a wasteful number, since it uses less digits than its factorization.

87664900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28324 (or 28317 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 87664900 is about 9362.9535938186. The cubic root of 87664900 is about 444.2307122795.

The spelling of 87664900 in words is "eighty-seven million, six hundred sixty-four thousand, nine hundred".