87853764 has 12 divisors (see below), whose sum is σ = 204992144. Its totient is φ = 29284584.

The previous prime is 87853751. The next prime is 87853811. The reversal of 87853764 is 46735878.

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, 3660562 + ... + 3660585.

Almost surely, 2^87853764 is an apocalyptic number.

It is an amenable number.

87853764 is an abundant number, since it is smaller than the sum of its proper divisors (117138380).

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

87853764 is a wasteful number, since it uses less digits than its factorization.

87853764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7321154 (or 7321152 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 87853764 is about 9373.0338738319. The cubic root of 87853764 is about 444.5494982127.

The spelling of 87853764 in words is "eighty-seven million, eight hundred fifty-three thousand, seven hundred sixty-four".