86328031849921 has 8 divisors (see below), whose sum is σ = 91010099021184. Its totient is φ = 81723354218880.

The previous prime is 86328031849919. The next prime is 86328031849931. The reversal of 86328031849921 is 12994813082368.

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 86328031849921 - 2¹ = 86328031849919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86328031849931) 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, 19347382765 + ... + 19347387226.

It is an arithmetic number, because the mean of its divisors is an integer number (11376262377648).

Almost surely, 2^{86328031849921} is an apocalyptic number.

It is an amenable number.

86328031849921 is a deficient number, since it is larger than the sum of its proper divisors (4682067171263).

86328031849921 is a wasteful number, since it uses less digits than its factorization.

86328031849921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38694770111.

The product of its (nonzero) digits is 35831808, while the sum is 64.

The spelling of 86328031849921 in words is "eighty-six trillion, three hundred twenty-eight billion, thirty-one million, eight hundred forty-nine thousand, nine hundred twenty-one".