87968766 has 32 divisors (see below), whose sum is σ = 178599168. Its totient is φ = 28882880.

The previous prime is 87968743. The next prime is 87968779. The reversal of 87968766 is 66786978.

Its product of digits (6096384) is a multiple of the sum of its prime divisors (896).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168586 + ... + 169106.

It is an arithmetic number, because the mean of its divisors is an integer number (5581224).

Almost surely, 2^87968766 is an apocalyptic number.

87968766 is an abundant number, since it is smaller than the sum of its proper divisors (90630402).

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

87968766 is a wasteful number, since it uses less digits than its factorization.

87968766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its digits is 6096384, while the sum is 57.

The square root of 87968766 is about 9379.1665941063. The cubic root of 87968766 is about 444.7433878002.

The spelling of 87968766 in words is "eighty-seven million, nine hundred sixty-eight thousand, seven hundred sixty-six".