80880028480 has 56 divisors (see below), whose sum is σ = 192698964360. Its totient is φ = 32334643200.

The previous prime is 80880028477. The next prime is 80880028507. The reversal of 80880028480 is 8482008808.

It can be written as a sum of positive squares in 4 ways, for example, as 28815741504 + 52064286976 = 169752^2 + 228176^2 .

It is a super-2 number, since 2×80880028480² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80880028480.

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, 537580 + ... + 671380.

It is an arithmetic number, because the mean of its divisors is an integer number (3441052935).

Almost surely, 2^80880028480 is an apocalyptic number.

80880028480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80880028480 is an abundant number, since it is smaller than the sum of its proper divisors (111818935880).

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

80880028480 is a wasteful number, since it uses less digits than its factorization.

80880028480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135707 (or 135697 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 46.

The spelling of 80880028480 in words is "eighty billion, eight hundred eighty million, twenty-eight thousand, four hundred eighty".