80976942720 has 384 divisors, whose sum is σ = 295925011200. Its totient is φ = 20361707520.

The previous prime is 80976942691. The next prime is 80976942757. The reversal of 80976942720 is 2724967908.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9401776 + ... + 9410384.

It is an arithmetic number, because the mean of its divisors is an integer number (770638050).

Almost surely, 2^80976942720 is an apocalyptic number.

80976942720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80976942720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147962505600).

80976942720 is an abundant number, since it is smaller than the sum of its proper divisors (214948068480).

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

80976942720 is a wasteful number, since it uses less digits than its factorization.

80976942720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8728 (or 8713 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 80976942720 in words is "eighty billion, nine hundred seventy-six million, nine hundred forty-two thousand, seven hundred twenty".