82929231021 has 24 divisors (see below), whose sum is σ = 136836742080. Its totient is φ = 43742889216.

The previous prime is 82929231001. The next prime is 82929231059. The reversal of 82929231021 is 12013292928.

It is not a de Polignac number, because 82929231021 - 2¹⁴ = 82929214637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82929231001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11679916 + ... + 11687013.

It is an arithmetic number, because the mean of its divisors is an integer number (5701530920).

Almost surely, 2^82929231021 is an apocalyptic number.

It is an amenable number.

82929231021 is a deficient number, since it is larger than the sum of its proper divisors (53907511059).

82929231021 is a wasteful number, since it uses less digits than its factorization.

82929231021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23366965 (or 23366952 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 82929231021 in words is "eighty-two billion, nine hundred twenty-nine million, two hundred thirty-one thousand, twenty-one".