86668370 has 16 divisors (see below), whose sum is σ = 162786240. Its totient is φ = 33159984.

The previous prime is 86668369. The next prime is 86668391. The reversal of 86668370 is 7386668.

It is a super-2 number, since 2×86668370² = 15022812716913800, 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, 188180 + ... + 188639.

It is an arithmetic number, because the mean of its divisors is an integer number (10174140).

Almost surely, 2^86668370 is an apocalyptic number.

86668370 is a deficient number, since it is larger than the sum of its proper divisors (76117870).

86668370 is a wasteful number, since it uses less digits than its factorization.

86668370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376849.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 86668370 is about 9309.5848457383. The cubic root of 86668370 is about 442.5410305937.

The spelling of 86668370 in words is "eighty-six million, six hundred sixty-eight thousand, three hundred seventy".