86579812 has 48 divisors (see below), whose sum is σ = 171908352. Its totient is φ = 37810080.

The previous prime is 86579803. The next prime is 86579821. The reversal of 86579812 is 21897568.

It is an interprime number because it is at equal distance from previous prime (86579803) and next prime (86579821).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126423 + ... + 127105.

It is an arithmetic number, because the mean of its divisors is an integer number (3581424).

Almost surely, 2^86579812 is an apocalyptic number.

It is an amenable number.

86579812 is a deficient number, since it is larger than the sum of its proper divisors (85328540).

86579812 is a wasteful number, since it uses less digits than its factorization.

86579812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808 (or 806 counting only the distinct ones).

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

The square root of 86579812 is about 9304.8273492849. The cubic root of 86579812 is about 442.3902493090.

The spelling of 86579812 in words is "eighty-six million, five hundred seventy-nine thousand, eight hundred twelve".