87108764 has 24 divisors (see below), whose sum is σ = 158378976. Its totient is φ = 41888000.

The previous prime is 87108761. The next prime is 87108773. The reversal of 87108764 is 46780178.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87108761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7904 + ... + 15384.

It is an arithmetic number, because the mean of its divisors is an integer number (6599124).

Almost surely, 2^87108764 is an apocalyptic number.

It is an amenable number.

87108764 is a deficient number, since it is larger than the sum of its proper divisors (71270212).

87108764 is a wasteful number, since it uses less digits than its factorization.

87108764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7597 (or 7595 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 87108764 is about 9333.2075943911. The cubic root of 87108764 is about 443.2893360274.

The spelling of 87108764 in words is "eighty-seven million, one hundred eight thousand, seven hundred sixty-four".