9976999392 has 60 divisors (see below), whose sum is σ = 29342085696. Its totient is φ = 3325665600.

The previous prime is 9976999391. The next prime is 9976999397. The reversal of 9976999392 is 2939996799.

9976999392 is a `hidden beast` number, since 9 + 97 + 69 + 99 + 392 = 666.

9976999392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 9976999392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9976999391) 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 9 ways as a sum of consecutive naturals, for example, 1921984 + ... + 1927167.

Almost surely, 2^9976999392 is an apocalyptic number.

It is an amenable number.

9976999392 is an abundant number, since it is smaller than the sum of its proper divisors (19365086304).

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

9976999392 is a wasteful number, since it uses less digits than its factorization.

9976999392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849173 (or 3849156 counting only the distinct ones).

The product of its digits is 133923132, while the sum is 72.

The square root of 9976999392 is about 99884.9307553447. The cubic root of 9976999392 is about 2152.7816450898.

The spelling of 9976999392 in words is "nine billion, nine hundred seventy-six million, nine hundred ninety-nine thousand, three hundred ninety-two".