80823599488 has 64 divisors (see below), whose sum is σ = 166663940400. Its totient is φ = 38995826688.

The previous prime is 80823599471. The next prime is 80823599513. The reversal of 80823599488 is 88499532808.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (64).

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, 7726870 + ... + 7737322.

Almost surely, 2^80823599488 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 80823599488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83331970200).

80823599488 is an abundant number, since it is smaller than the sum of its proper divisors (85840340912).

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

80823599488 is a wasteful number, since it uses less digits than its factorization.

80823599488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12579 (or 12567 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 64.

The spelling of 80823599488 in words is "eighty billion, eight hundred twenty-three million, five hundred ninety-nine thousand, four hundred eighty-eight".