80944659318 has 48 divisors (see below), whose sum is σ = 166303065600. Its totient is φ = 26252899200.

The previous prime is 80944659317. The next prime is 80944659329. The reversal of 80944659318 is 81395644908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80944659317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67397118 + ... + 67398318.

It is an arithmetic number, because the mean of its divisors is an integer number (3464647200).

Almost surely, 2^80944659318 is an apocalyptic number.

80944659318 is an abundant number, since it is smaller than the sum of its proper divisors (85358406282).

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

80944659318 is a wasteful number, since it uses less digits than its factorization.

80944659318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653 (or 1452 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 80944659318 in words is "eighty billion, nine hundred forty-four million, six hundred fifty-nine thousand, three hundred eighteen".