80799799581312 has 512 divisors, whose sum is σ = 261341327923200. Its totient is φ = 21591928995840.

The previous prime is 80799799581301. The next prime is 80799799581409. The reversal of 80799799581312 is 21318599799708.

It is a super-2 number, since 2×80799799581312² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (78) 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 63 ways as a sum of consecutive naturals, for example, 4866570003 + ... + 4866586605.

It is an arithmetic number, because the mean of its divisors is an integer number (510432281100).

Almost surely, 2^{80799799581312} 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 80799799581312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130670663961600).

80799799581312 is an abundant number, since it is smaller than the sum of its proper divisors (180541528341888).

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

80799799581312 is a wasteful number, since it uses less digits than its factorization.

80799799581312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17304 (or 17292 counting only the distinct ones).

The product of its (nonzero) digits is 617258880, while the sum is 78.

The spelling of 80799799581312 in words is "eighty trillion, seven hundred ninety-nine billion, seven hundred ninety-nine million, five hundred eighty-one thousand, three hundred twelve".