992795024881 has 27 divisors (see below), whose sum is σ = 1098738081273. Its totient is φ = 896393199240.

The previous prime is 992795024861. The next prime is 992795024917. The reversal of 992795024881 is 188420597299.

The square root of 992795024881 is 996391.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 992795024881 - 2²³ = 992786636273 is a prime.

It is a super-2 number, since 2×992795024881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (992795024861) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2619511750 + ... + 2619512128.

Almost surely, 2^992795024881 is an apocalyptic number.

992795024881 is the 996391-st square number.

992795024881 is the 498196-th centered octagonal number.

It is an amenable number.

992795024881 is a deficient number, since it is larger than the sum of its proper divisors (105943056392).

992795024881 is an frugal number, since it uses more digits than its factorization.

992795024881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 64.

Multiplying 992795024881 by its sum of digits (64), we get a square (63538881592384 = 7971128²).

The spelling of 992795024881 in words is "nine hundred ninety-two billion, seven hundred ninety-five million, twenty-four thousand, eight hundred eighty-one".