86312770815 has 16 divisors (see below), whose sum is σ = 138109074048. Its totient is φ = 46030597536.

The previous prime is 86312770759. The next prime is 86312770823. The reversal of 86312770815 is 51807721368.

It is a happy number.

It is not a de Polignac number, because 86312770815 - 2⁶ = 86312770751 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 79812 + ... + 423078.

It is an arithmetic number, because the mean of its divisors is an integer number (8631817128).

Almost surely, 2^86312770815 is an apocalyptic number.

86312770815 is a deficient number, since it is larger than the sum of its proper divisors (51796303233).

86312770815 is a wasteful number, since it uses less digits than its factorization.

86312770815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360038.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 86312770815 in words is "eighty-six billion, three hundred twelve million, seven hundred seventy thousand, eight hundred fifteen".