86764028021 has 8 divisors (see below), whose sum is σ = 95396957184. Its totient is φ = 78255313920.

The previous prime is 86764027979. The next prime is 86764028027. The reversal of 86764028021 is 12082046768.

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 86764028021 - 2¹⁴ = 86764011637 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 (86764028027) 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, 31052300 + ... + 31055093.

It is an arithmetic number, because the mean of its divisors is an integer number (11924619648).

Almost surely, 2^86764028021 is an apocalyptic number.

It is an amenable number.

86764028021 is a deficient number, since it is larger than the sum of its proper divisors (8632929163).

86764028021 is a wasteful number, since it uses less digits than its factorization.

86764028021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62107531.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 86764028021 in words is "eighty-six billion, seven hundred sixty-four million, twenty-eight thousand, twenty-one".