9979277112 has 96 divisors (see below), whose sum is σ = 32032291200. Its totient is φ = 2851218144.

The previous prime is 9979277093. The next prime is 9979277137. The reversal of 9979277112 is 2117729799.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 353062 + ... + 380277.

It is an arithmetic number, because the mean of its divisors is an integer number (333669700).

Almost surely, 2^9979277112 is an apocalyptic number.

It is an amenable number.

9979277112 is an abundant number, since it is smaller than the sum of its proper divisors (22053014088).

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

9979277112 is a wasteful number, since it uses less digits than its factorization.

9979277112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733367 (or 733351 counting only the distinct ones).

The product of its digits is 1000188, while the sum is 54.

The square root of 9979277112 is about 99896.3318245470. The cubic root of 9979277112 is about 2152.9454572247.

The spelling of 9979277112 in words is "nine billion, nine hundred seventy-nine million, two hundred seventy-seven thousand, one hundred twelve".