80947722624 has 48 divisors (see below), whose sum is σ = 215032198620. Its totient is φ = 26980715776.

The previous prime is 80947722601. The next prime is 80947722679. The reversal of 80947722624 is 42622774908.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5568037 + ... + 5582555.

Almost surely, 2^80947722624 is an apocalyptic number.

It is an amenable number.

80947722624 is an abundant number, since it is smaller than the sum of its proper divisors (134084475996).

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

80947722624 is an frugal number, since it uses more digits than its factorization.

80947722624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29055 (or 14524 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 80947722624 in words is "eighty billion, nine hundred forty-seven million, seven hundred twenty-two thousand, six hundred twenty-four".