87118892 has 24 divisors (see below), whose sum is σ = 174666240. Its totient is φ = 37244880.

The previous prime is 87118879. The next prime is 87118907. The reversal of 87118892 is 29881178.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8459 + ... + 15677.

It is an arithmetic number, because the mean of its divisors is an integer number (7277760).

Almost surely, 2^87118892 is an apocalyptic number.

It is an amenable number.

87118892 is an abundant number, since it is smaller than the sum of its proper divisors (87547348).

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

87118892 is a wasteful number, since it uses less digits than its factorization.

87118892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7661 (or 7659 counting only the distinct ones).

The product of its digits is 64512, while the sum is 44.

The square root of 87118892 is about 9333.7501573590. The cubic root of 87118892 is about 443.3065155479.

The spelling of 87118892 in words is "eighty-seven million, one hundred eighteen thousand, eight hundred ninety-two".