86921574337 has 8 divisors (see below), whose sum is σ = 93617919360. Its totient is φ = 80226667920.

The previous prime is 86921574283. The next prime is 86921574349. The reversal of 86921574337 is 73347512968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86921574337 - 2¹⁹ = 86921050049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86921575337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232489 + ... + 477382.

It is an arithmetic number, because the mean of its divisors is an integer number (11702239920).

Almost surely, 2^86921574337 is an apocalyptic number.

It is an amenable number.

86921574337 is a deficient number, since it is larger than the sum of its proper divisors (6696345023).

86921574337 is a wasteful number, since it uses less digits than its factorization.

86921574337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719303.

The product of its digits is 7620480, while the sum is 55.

The spelling of 86921574337 in words is "eighty-six billion, nine hundred twenty-one million, five hundred seventy-four thousand, three hundred thirty-seven".