86976988 has 48 divisors (see below), whose sum is σ = 179311104. Its totient is φ = 36146880.

The previous prime is 86976971. The next prime is 86976997. The reversal of 86976988 is 88967968.

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, 132870 + ... + 133522.

It is an arithmetic number, because the mean of its divisors is an integer number (3735648).

Almost surely, 2^86976988 is an apocalyptic number.

It is an amenable number.

86976988 is an abundant number, since it is smaller than the sum of its proper divisors (92334116).

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

86976988 is a wasteful number, since it uses less digits than its factorization.

86976988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 800 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 61.

The square root of 86976988 is about 9326.1453988237. The cubic root of 86976988 is about 443.0656908056.

The spelling of 86976988 in words is "eighty-six million, nine hundred seventy-six thousand, nine hundred eighty-eight".