80539238844 has 48 divisors (see below), whose sum is σ = 211448563200. Its totient is φ = 26506582128.

The previous prime is 80539238837. The next prime is 80539238849. The reversal of 80539238844 is 44883293508.

80539238844 is a `hidden beast` number, since 8 + 0 + 539 + 23 + 8 + 84 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80539238849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4711302 + ... + 4728365.

It is an arithmetic number, because the mean of its divisors is an integer number (4405178400).

Almost surely, 2^80539238844 is an apocalyptic number.

It is an amenable number.

80539238844 is an abundant number, since it is smaller than the sum of its proper divisors (130909324356).

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

80539238844 is a wasteful number, since it uses less digits than its factorization.

80539238844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9439759 (or 9439751 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 80539238844 in words is "eighty billion, five hundred thirty-nine million, two hundred thirty-eight thousand, eight hundred forty-four".