86718810 has 16 divisors (see below), whose sum is σ = 208125216. Its totient is φ = 23125008.

The previous prime is 86718803. The next prime is 86718829. The reversal of 86718810 is 1881768.

It is a super-2 number, since 2×86718810² = 15040304015632200, which contains 22 as substring.

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, 1445284 + ... + 1445343.

It is an arithmetic number, because the mean of its divisors is an integer number (13007826).

Almost surely, 2^86718810 is an apocalyptic number.

86718810 is an abundant number, since it is smaller than the sum of its proper divisors (121406406).

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

86718810 is a wasteful number, since it uses less digits than its factorization.

86718810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890637.

The product of its (nonzero) digits is 21504, while the sum is 39.

The square root of 86718810 is about 9312.2934876431. The cubic root of 86718810 is about 442.6268652169.

The spelling of 86718810 in words is "eighty-six million, seven hundred eighteen thousand, eight hundred ten".