80478553501884 has 24 divisors (see below), whose sum is σ = 187890780558208. Its totient is φ = 26810828921520.

The previous prime is 80478553501873. The next prime is 80478553501897. The reversal of 80478553501884 is 48810535587408.

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, 1919425552 + ... + 1919467479.

Almost surely, 2^{80478553501884} is an apocalyptic number.

It is an amenable number.

80478553501884 is an abundant number, since it is smaller than the sum of its proper divisors (107412227056324).

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

80478553501884 is a wasteful number, since it uses less digits than its factorization.

80478553501884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838894785 (or 3838894783 counting only the distinct ones).

The product of its (nonzero) digits is 172032000, while the sum is 66.

The spelling of 80478553501884 in words is "eighty trillion, four hundred seventy-eight billion, five hundred fifty-three million, five hundred one thousand, eight hundred eighty-four".