86057999815 has 16 divisors (see below), whose sum is σ = 106840579680. Its totient is φ = 66466189440.

The previous prime is 86057999813. The next prime is 86057999821. The reversal of 86057999815 is 51899975068.

It is not a de Polignac number, because 86057999815 - 2¹ = 86057999813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86057999813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2090380 + ... + 2131150.

It is an arithmetic number, because the mean of its divisors is an integer number (6677536230).

Almost surely, 2^86057999815 is an apocalyptic number.

86057999815 is a deficient number, since it is larger than the sum of its proper divisors (20782579865).

86057999815 is a wasteful number, since it uses less digits than its factorization.

86057999815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55362.

The product of its (nonzero) digits is 48988800, while the sum is 67.

The spelling of 86057999815 in words is "eighty-six billion, fifty-seven million, nine hundred ninety-nine thousand, eight hundred fifteen".