392797525122 has 90 divisors (see below), whose sum is σ = 902900052747. Its totient is φ = 127632672000.

The previous prime is 392797525121. The next prime is 392797525157. The reversal of 392797525122 is 221525797293.

392797525122 is a `hidden beast` number, since 3 + 9 + 2 + 7 + 97 + 525 + 1 + 22 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 98088602481 + 294708922641 = 313191^2 + 542871^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=443169.

It is a super-2 number, since 2×392797525122² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (392797525121) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 327058122 + ... + 327059322.

Almost surely, 2^392797525122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 392797525122

392797525122 is an abundant number, since it is smaller than the sum of its proper divisors (510102527625).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

392797525122 is an frugal number, since it uses more digits than its factorization.

392797525122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498 (or 1247 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 54.

The spelling of 392797525122 in words is "three hundred ninety-two billion, seven hundred ninety-seven million, five hundred twenty-five thousand, one hundred twenty-two".