86231692399 has 4 divisors (see below), whose sum is σ = 87270628536. Its totient is φ = 85192756264.

The previous prime is 86231692363. The next prime is 86231692429. The reversal of 86231692399 is 99329613268.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86231692399 - 2⁷ = 86231692271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86231695399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519467944 + ... + 519468109.

It is an arithmetic number, because the mean of its divisors is an integer number (21817657134).

Almost surely, 2^86231692399 is an apocalyptic number.

86231692399 is a deficient number, since it is larger than the sum of its proper divisors (1038936137).

86231692399 is a wasteful number, since it uses less digits than its factorization.

86231692399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038936136.

The product of its digits is 7558272, while the sum is 58.

The spelling of 86231692399 in words is "eighty-six billion, two hundred thirty-one million, six hundred ninety-two thousand, three hundred ninety-nine".