80673780272 has 40 divisors (see below), whose sum is σ = 165865812480. Its totient is φ = 37929151040.

The previous prime is 80673780259. The next prime is 80673780293. The reversal of 80673780272 is 27208737608.

It is a self number, because there is not a number n which added to its sum of digits gives 80673780272.

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, 1836104 + ... + 1879527.

It is an arithmetic number, because the mean of its divisors is an integer number (4146645312).

Almost surely, 2^80673780272 is an apocalyptic number.

It is an amenable number.

80673780272 is an abundant number, since it is smaller than the sum of its proper divisors (85192032208).

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

80673780272 is a wasteful number, since it uses less digits than its factorization.

80673780272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715721 (or 3715715 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 50.

The spelling of 80673780272 in words is "eighty billion, six hundred seventy-three million, seven hundred eighty thousand, two hundred seventy-two".