86977650 has 24 divisors (see below), whose sum is σ = 215704944. Its totient is φ = 23194000.

The previous prime is 86977633. The next prime is 86977679. The reversal of 86977650 is 5677968.

It is a super-2 number, since 2×86977650² = 15130223199045000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86977650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289776 + ... + 290075.

It is an arithmetic number, because the mean of its divisors is an integer number (8987706).

Almost surely, 2^86977650 is an apocalyptic number.

86977650 is an abundant number, since it is smaller than the sum of its proper divisors (128727294).

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

86977650 is a wasteful number, since it uses less digits than its factorization.

86977650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579866 (or 579861 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 86977650 is about 9326.1808903752. The cubic root of 86977650 is about 443.0668148912.

The spelling of 86977650 in words is "eighty-six million, nine hundred seventy-seven thousand, six hundred fifty".