86015640790 has 24 divisors (see below), whose sum is σ = 159983739360. Its totient is φ = 33296373360.

The previous prime is 86015640773. The next prime is 86015640817. The reversal of 86015640790 is 9704651068.

It is a self number, because there is not a number n which added to its sum of digits gives 86015640790.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4465710 + ... + 4484929.

It is an arithmetic number, because the mean of its divisors is an integer number (6665989140).

Almost surely, 2^86015640790 is an apocalyptic number.

86015640790 is a deficient number, since it is larger than the sum of its proper divisors (73968098570).

86015640790 is a wasteful number, since it uses less digits than its factorization.

86015640790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8950708 (or 8950677 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 86015640790 in words is "eighty-six billion, fifteen million, six hundred forty thousand, seven hundred ninety".