86390669615 has 16 divisors (see below), whose sum is σ = 109861476768. Its totient is φ = 64991087616.

The previous prime is 86390669597. The next prime is 86390669639. The reversal of 86390669615 is 51696609368.

It is a cyclic number.

It is not a de Polignac number, because 86390669615 - 2⁸ = 86390669359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338102 + ... + 535811.

It is an arithmetic number, because the mean of its divisors is an integer number (6866342298).

Almost surely, 2^86390669615 is an apocalyptic number.

86390669615 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

86390669615 is a deficient number, since it is larger than the sum of its proper divisors (23470807153).

86390669615 is a wasteful number, since it uses less digits than its factorization.

86390669615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875098.

The product of its (nonzero) digits is 12597120, while the sum is 59.

The spelling of 86390669615 in words is "eighty-six billion, three hundred ninety million, six hundred sixty-nine thousand, six hundred fifteen".