87765332 has 72 divisors (see below), whose sum is σ = 176517600. Its totient is φ = 38035008.

The previous prime is 87765299. The next prime is 87765421. The reversal of 87765332 is 23356778.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (211680) is a multiple of the sum of its prime divisors (140).

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 87765332.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1487519 + ... + 1487577.

Almost surely, 2^87765332 is an apocalyptic number.

It is an amenable number.

87765332 is an abundant number, since it is smaller than the sum of its proper divisors (88752268).

87765332 is a wasteful number, since it uses less digits than its factorization.

87765332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 140 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 87765332 is about 9368.3153234720. The cubic root of 87765332 is about 444.4002896597.

The spelling of 87765332 in words is "eighty-seven million, seven hundred sixty-five thousand, three hundred thirty-two".