80840179680 has 192 divisors, whose sum is σ = 278098748928. Its totient is φ = 19618744320.

The previous prime is 80840179669. The next prime is 80840179699. The reversal of 80840179680 is 8697104808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351807 + ... + 534273.

It is an arithmetic number, because the mean of its divisors is an integer number (1448430984).

Almost surely, 2^80840179680 is an apocalyptic number.

80840179680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80840179680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139049374464).

80840179680 is an abundant number, since it is smaller than the sum of its proper divisors (197258569248).

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

80840179680 is a wasteful number, since it uses less digits than its factorization.

80840179680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182569 (or 182561 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 80840179680 in words is "eighty billion, eight hundred forty million, one hundred seventy-nine thousand, six hundred eighty".