80403878928 has 20 divisors (see below), whose sum is σ = 207710020688. Its totient is φ = 26801292960.

The previous prime is 80403878887. The next prime is 80403878941. The reversal of 80403878928 is 82987830408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837540358 + ... + 837540453.

Almost surely, 2^80403878928 is an apocalyptic number.

It is an amenable number.

80403878928 is an abundant number, since it is smaller than the sum of its proper divisors (127306141760).

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

80403878928 is a wasteful number, since it uses less digits than its factorization.

80403878928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675080822 (or 1675080816 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 57.

The spelling of 80403878928 in words is "eighty billion, four hundred three million, eight hundred seventy-eight thousand, nine hundred twenty-eight".