80317255650 has 48 divisors (see below), whose sum is σ = 210903670944. Its totient is φ = 20158055680.

The previous prime is 80317255609. The next prime is 80317255651. The reversal of 80317255650 is 5655271308.

It is not an unprimeable number, because it can be changed into a prime (80317255651) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 15745932 + ... + 15751031.

It is an arithmetic number, because the mean of its divisors is an integer number (4393826478).

Almost surely, 2^80317255650 is an apocalyptic number.

80317255650 is an abundant number, since it is smaller than the sum of its proper divisors (130586415294).

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

80317255650 is a wasteful number, since it uses less digits than its factorization.

80317255650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31496995 (or 31496990 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 80317255650 in words is "eighty billion, three hundred seventeen million, two hundred fifty-five thousand, six hundred fifty".