80503731320 has 32 divisors (see below), whose sum is σ = 183614681520. Its totient is φ = 31760375040.

The previous prime is 80503731299. The next prime is 80503731389. The reversal of 80503731320 is 2313730508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13781966 + ... + 13787805.

Almost surely, 2^80503731320 is an apocalyptic number.

It is an amenable number.

80503731320 is an abundant number, since it is smaller than the sum of its proper divisors (103110950200).

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

80503731320 is a wasteful number, since it uses less digits than its factorization.

80503731320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27569855 (or 27569851 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 80503731320 in words is "eighty billion, five hundred three million, seven hundred thirty-one thousand, three hundred twenty".