86582817 has 16 divisors (see below), whose sum is σ = 128417280. Its totient is φ = 57656016.

The previous prime is 86582813. The next prime is 86582843. The reversal of 86582817 is 71828568.

It is not a de Polignac number, because 86582817 - 2² = 86582813 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86582813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38128 + ... + 40334.

It is an arithmetic number, because the mean of its divisors is an integer number (8026080).

Almost surely, 2^86582817 is an apocalyptic number.

It is an amenable number.

86582817 is a deficient number, since it is larger than the sum of its proper divisors (41834463).

86582817 is a wasteful number, since it uses less digits than its factorization.

86582817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669 (or 3663 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 86582817 is about 9304.9888232066. The cubic root of 86582817 is about 442.3953673894.

The spelling of 86582817 in words is "eighty-six million, five hundred eighty-two thousand, eight hundred seventeen".