86562879 has 16 divisors (see below), whose sum is σ = 130838400. Its totient is φ = 50465376.

The previous prime is 86562877. The next prime is 86562899. The reversal of 86562879 is 97826568.

It is not a de Polignac number, because 86562879 - 2¹ = 86562877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86562877) 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, 57669 + ... + 59150.

It is an arithmetic number, because the mean of its divisors is an integer number (8177400).

Almost surely, 2^86562879 is an apocalyptic number.

86562879 is a deficient number, since it is larger than the sum of its proper divisors (44275521).

86562879 is a wasteful number, since it uses less digits than its factorization.

86562879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116854.

The product of its digits is 1451520, while the sum is 51.

The square root of 86562879 is about 9303.9174007511. The cubic root of 86562879 is about 442.3614070099.

The spelling of 86562879 in words is "eighty-six million, five hundred sixty-two thousand, eight hundred seventy-nine".