86317037891 has 8 divisors (see below), whose sum is σ = 98697408000. Its totient is φ = 73949008968.

The previous prime is 86317037879. The next prime is 86317037909. The reversal of 86317037891 is 19873071368.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86317037891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86317037861) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3070301 + ... + 3098286.

It is an arithmetic number, because the mean of its divisors is an integer number (12337176000).

Almost surely, 2^86317037891 is an apocalyptic number.

86317037891 is a deficient number, since it is larger than the sum of its proper divisors (12380370109).

86317037891 is a wasteful number, since it uses less digits than its factorization.

86317037891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6170593.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 86317037891 in words is "eighty-six billion, three hundred seventeen million, thirty-seven thousand, eight hundred ninety-one".