86957218 has 8 divisors (see below), whose sum is σ = 130480848. Its totient is φ = 43463604.

The previous prime is 86957203. The next prime is 86957249. The reversal of 86957218 is 81275968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2305 + ... + 13387.

It is an arithmetic number, because the mean of its divisors is an integer number (16310106).

Almost surely, 2^86957218 is an apocalyptic number.

86957218 is a deficient number, since it is larger than the sum of its proper divisors (43523630).

86957218 is a wasteful number, since it uses less digits than its factorization.

86957218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15008.

The product of its digits is 241920, while the sum is 46.

The square root of 86957218 is about 9325.0854151584. The cubic root of 86957218 is about 443.0321184294.

The spelling of 86957218 in words is "eighty-six million, nine hundred fifty-seven thousand, two hundred eighteen".