80912949756 has 24 divisors (see below), whose sum is σ = 191383143504. Its totient is φ = 26601517440.

The previous prime is 80912949713. The next prime is 80912949769. The reversal of 80912949756 is 65794921908.

It is a self number, because there is not a number n which added to its sum of digits gives 80912949756.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46182315 + ... + 46184066.

It is an arithmetic number, because the mean of its divisors is an integer number (7974297646).

Almost surely, 2^80912949756 is an apocalyptic number.

It is an amenable number.

80912949756 is an abundant number, since it is smaller than the sum of its proper divisors (110470193748).

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

80912949756 is a wasteful number, since it uses less digits than its factorization.

80912949756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92366461 (or 92366459 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 60.

The spelling of 80912949756 in words is "eighty billion, nine hundred twelve million, nine hundred forty-nine thousand, seven hundred fifty-six".