992638799 has 2 divisors, whose sum is σ = 992638800. Its totient is φ = 992638798.

The previous prime is 992638747. The next prime is 992638819. The reversal of 992638799 is 997836299.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 992638799 - 2²⁸ = 724203343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (992638099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496319399 + 496319400.

It is an arithmetic number, because the mean of its divisors is an integer number (496319400).

Almost surely, 2^992638799 is an apocalyptic number.

992638799 is a deficient number, since it is larger than the sum of its proper divisors (1).

992638799 is an equidigital number, since it uses as much as digits as its factorization.

992638799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13226976, while the sum is 62.

The square root of 992638799 is about 31506.1708082718. The cubic root of 992638799 is about 997.5402207805.

The spelling of 992638799 in words is "nine hundred ninety-two million, six hundred thirty-eight thousand, seven hundred ninety-nine".