86994866 has 32 divisors (see below), whose sum is σ = 157731840. Its totient is φ = 35193600.

The previous prime is 86994847. The next prime is 86994883. The reversal of 86994866 is 66849968.

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 in 15 ways as a sum of consecutive naturals, for example, 15350 + ... + 20238.

It is an arithmetic number, because the mean of its divisors is an integer number (4929120).

Almost surely, 2^86994866 is an apocalyptic number.

86994866 is a deficient number, since it is larger than the sum of its proper divisors (70736974).

86994866 is a wasteful number, since it uses less digits than its factorization.

86994866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970.

The product of its digits is 4478976, while the sum is 56.

The square root of 86994866 is about 9327.1038377408. The cubic root of 86994866 is about 443.0960459065.

The spelling of 86994866 in words is "eighty-six million, nine hundred ninety-four thousand, eight hundred sixty-six".