86320800021 has 16 divisors (see below), whose sum is σ = 115363695104. Its totient is φ = 57412675584.

The previous prime is 86320800017. The next prime is 86320800029. The reversal of 86320800021 is 12000802368.

It is not a de Polignac number, because 86320800021 - 2² = 86320800017 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 (86320800029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3020220 + ... + 3048666.

It is an arithmetic number, because the mean of its divisors is an integer number (7210230944).

Almost surely, 2^86320800021 is an apocalyptic number.

It is an amenable number.

86320800021 is a deficient number, since it is larger than the sum of its proper divisors (29042895083).

86320800021 is a wasteful number, since it uses less digits than its factorization.

86320800021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30780.

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 86320800021 in words is "eighty-six billion, three hundred twenty million, eight hundred thousand, twenty-one".