80544879792 has 400 divisors, whose sum is σ = 261002982240. Its totient is φ = 23809572864.

The previous prime is 80544879773. The next prime is 80544879827. The reversal of 80544879792 is 29797844508.

80544879792 is a `hidden beast` number, since 8 + 0 + 544 + 87 + 9 + 7 + 9 + 2 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 172472743 + ... + 172473209.

Almost surely, 2^80544879792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80544879792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130501491120).

80544879792 is an abundant number, since it is smaller than the sum of its proper divisors (180458102448).

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

80544879792 is a wasteful number, since it uses less digits than its factorization.

80544879792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 80544879792 in words is "eighty billion, five hundred forty-four million, eight hundred seventy-nine thousand, seven hundred ninety-two".