80927179920 has 480 divisors, whose sum is σ = 298128418560. Its totient is φ = 20139356160.

The previous prime is 80927179901. The next prime is 80927179961. The reversal of 80927179920 is 2997172908.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 91857880 + ... + 91858760.

It is an arithmetic number, because the mean of its divisors is an integer number (621100872).

Almost surely, 2^80927179920 is an apocalyptic number.

80927179920 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 80927179920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149064209280).

80927179920 is an abundant number, since it is smaller than the sum of its proper divisors (217201238640).

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

80927179920 is a wasteful number, since it uses less digits than its factorization.

80927179920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The spelling of 80927179920 in words is "eighty billion, nine hundred twenty-seven million, one hundred seventy-nine thousand, nine hundred twenty".