80957616100 has 18 divisors (see below), whose sum is σ = 175678027154. Its totient is φ = 32383046400.

The previous prime is 80957616083. The next prime is 80957616139. The reversal of 80957616100 is 161675908.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 26122963876 + 54834652224 = 161626^2 + 234168^2 .

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, 404787981 + ... + 404788180.

Almost surely, 2^80957616100 is an apocalyptic number.

It is an amenable number.

80957616100 is an abundant number, since it is smaller than the sum of its proper divisors (94720411054).

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

80957616100 is a wasteful number, since it uses less digits than its factorization.

80957616100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809576175 (or 809576168 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 80957616100 in words is "eighty billion, nine hundred fifty-seven million, six hundred sixteen thousand, one hundred".