80771680976 has 240 divisors, whose sum is σ = 196695982080. Its totient is φ = 31385491200.

The previous prime is 80771680963. The next prime is 80771681009. The reversal of 80771680976 is 67908617708.

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 47 ways as a sum of consecutive naturals, for example, 259715861 + ... + 259716171.

It is an arithmetic number, because the mean of its divisors is an integer number (819566592).

Almost surely, 2^80771680976 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 80771680976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98347991040).

80771680976 is an abundant number, since it is smaller than the sum of its proper divisors (115924301104).

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

80771680976 is a wasteful number, since it uses less digits than its factorization.

80771680976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 59.

The spelling of 80771680976 in words is "eighty billion, seven hundred seventy-one million, six hundred eighty thousand, nine hundred seventy-six".