86942868 has 12 divisors (see below), whose sum is σ = 202866720. Its totient is φ = 28980952.

The previous prime is 86942857. The next prime is 86942909. The reversal of 86942868 is 86824968.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 86942868.

It is a congruent number.

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, 3622608 + ... + 3622631.

It is an arithmetic number, because the mean of its divisors is an integer number (16905560).

Almost surely, 2^86942868 is an apocalyptic number.

It is an amenable number.

86942868 is an abundant number, since it is smaller than the sum of its proper divisors (115923852).

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

86942868 is a wasteful number, since it uses less digits than its factorization.

86942868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7245246 (or 7245244 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 86942868 is about 9324.3159534628. The cubic root of 86942868 is about 443.0077468254.

The spelling of 86942868 in words is "eighty-six million, nine hundred forty-two thousand, eight hundred sixty-eight".