86579811 has 6 divisors (see below), whose sum is σ = 125059740. Its totient is φ = 57719868.

The previous prime is 86579803. The next prime is 86579821. The reversal of 86579811 is 11897568.

It is not a de Polignac number, because 86579811 - 2³ = 86579803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86579821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4809981 + ... + 4809998.

It is an arithmetic number, because the mean of its divisors is an integer number (20843290).

Almost surely, 2^86579811 is an apocalyptic number.

86579811 is a deficient number, since it is larger than the sum of its proper divisors (38479929).

86579811 is a wasteful number, since it uses less digits than its factorization.

86579811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9619985 (or 9619982 counting only the distinct ones).

The product of its digits is 120960, while the sum is 45.

The square root of 86579811 is about 9304.8272955493. The cubic root of 86579811 is about 442.3902476058.

The spelling of 86579811 in words is "eighty-six million, five hundred seventy-nine thousand, eight hundred eleven".