80976317195520 has 432 divisors, whose sum is σ = 289194111670464. Its totient is φ = 20906176512000.

The previous prime is 80976317195513. The next prime is 80976317195533. The reversal of 80976317195520 is 2559171367908.

80976317195520 is a `hidden beast` number, since 8 + 0 + 9 + 7 + 6 + 3 + 1 + 71 + 9 + 552 + 0 = 666.

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 47 ways as a sum of consecutive naturals, for example, 61219555 + ... + 62528285.

It is an arithmetic number, because the mean of its divisors is an integer number (669430814052).

Almost surely, 2^{80976317195520} is an apocalyptic number.

80976317195520 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 80976317195520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144597055835232).

80976317195520 is an abundant number, since it is smaller than the sum of its proper divisors (208217794474944).

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

80976317195520 is a wasteful number, since it uses less digits than its factorization.

80976317195520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308930 (or 1308913 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 63.

The spelling of 80976317195520 in words is "eighty trillion, nine hundred seventy-six billion, three hundred seventeen million, one hundred ninety-five thousand, five hundred twenty".