9992799631 has 16 divisors (see below), whose sum is σ = 10669053888. Its totient is φ = 9326592000.

The previous prime is 9992799629. The next prime is 9992799643. The reversal of 9992799631 is 1369972999.

9992799631 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9992799631 - 2¹ = 9992799629 is a prime.

It is a super-2 number, since 2×9992799631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9992799611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1642411 + ... + 1648483.

It is an arithmetic number, because the mean of its divisors is an integer number (666815868).

Almost surely, 2^9992799631 is an apocalyptic number.

9992799631 is a deficient number, since it is larger than the sum of its proper divisors (676254257).

9992799631 is a wasteful number, since it uses less digits than its factorization.

9992799631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6882.

The product of its digits is 14880348, while the sum is 64.

The square root of 9992799631 is about 99963.9916720016. The cubic root of 9992799631 is about 2153.9174750489.

It can be divided in two parts, 999279 and 9631, that added together give a triangular number (1008910 = T₁₄₂₀).

The spelling of 9992799631 in words is "nine billion, nine hundred ninety-two million, seven hundred ninety-nine thousand, six hundred thirty-one".