86994868 has 6 divisors (see below), whose sum is σ = 152241026. Its totient is φ = 43497432.

The previous prime is 86994847. The next prime is 86994883. The reversal of 86994868 is 86849968.

It can be written as a sum of positive squares in only one way, i.e., 86825124 + 169744 = 9318^2 + 412^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10874355 + ... + 10874362.

Almost surely, 2^86994868 is an apocalyptic number.

It is an amenable number.

86994868 is a deficient number, since it is larger than the sum of its proper divisors (65246158).

86994868 is a wasteful number, since it uses less digits than its factorization.

86994868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21748721 (or 21748719 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 58.

The square root of 86994868 is about 9327.1039449553. The cubic root of 86994868 is about 443.0960493021.

The spelling of 86994868 in words is "eighty-six million, nine hundred ninety-four thousand, eight hundred sixty-eight".