86988536 has 32 divisors (see below), whose sum is σ = 172790400. Its totient is φ = 40940640.

The previous prime is 86988521. The next prime is 86988571. The reversal of 86988536 is 63588968.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23021 + ... + 26531.

It is an arithmetic number, because the mean of its divisors is an integer number (5399700).

Almost surely, 2^86988536 is an apocalyptic number.

It is an amenable number.

86988536 is a deficient number, since it is larger than the sum of its proper divisors (85801864).

86988536 is a wasteful number, since it uses less digits than its factorization.

86988536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699 (or 3695 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 53.

The square root of 86988536 is about 9326.7644979382. The cubic root of 86988536 is about 443.0852986593.

The spelling of 86988536 in words is "eighty-six million, nine hundred eighty-eight thousand, five hundred thirty-six".