80709250188 has 48 divisors (see below), whose sum is σ = 215863391744. Its totient is φ = 22991351040.

The previous prime is 80709250147. The next prime is 80709250261. The reversal of 80709250188 is 88105290708.

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 15 ways as a sum of consecutive naturals, for example, 1397248 + ... + 1453863.

Almost surely, 2^80709250188 is an apocalyptic number.

It is an amenable number.

80709250188 is an abundant number, since it is smaller than the sum of its proper divisors (135154141556).

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

80709250188 is a wasteful number, since it uses less digits than its factorization.

80709250188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851462 (or 2851460 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 48.

The spelling of 80709250188 in words is "eighty billion, seven hundred nine million, two hundred fifty thousand, one hundred eighty-eight".