80697326592 has 88 divisors (see below), whose sum is σ = 215256984912. Its totient is φ = 26877952000.

The previous prime is 80697326569. The next prime is 80697326609. The reversal of 80697326592 is 29562379608.

It is a congruent number.

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, 4171342 + ... + 4190642.

Almost surely, 2^80697326592 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 80697326592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107628492456).

80697326592 is an abundant number, since it is smaller than the sum of its proper divisors (134559658320).

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

80697326592 is a wasteful number, since it uses less digits than its factorization.

80697326592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20685 (or 20667 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 80697326592 in words is "eighty billion, six hundred ninety-seven million, three hundred twenty-six thousand, five hundred ninety-two".