79631992944 has 200 divisors, whose sum is σ = 263647887360. Its totient is φ = 22730896512.

The previous prime is 79631992933. The next prime is 79631993033. The reversal of 79631992944 is 44929913697.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11599657 + ... + 11606519.

Almost surely, 2^79631992944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79631992944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131823943680).

79631992944 is an abundant number, since it is smaller than the sum of its proper divisors (184015894416).

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

79631992944 is a wasteful number, since it uses less digits than its factorization.

79631992944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8169 (or 8154 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 63.

The spelling of 79631992944 in words is "seventy-nine billion, six hundred thirty-one million, nine hundred ninety-two thousand, nine hundred forty-four".