80880152728 has 16 divisors (see below), whose sum is σ = 152580658680. Its totient is φ = 40191977088.

The previous prime is 80880152719. The next prime is 80880152783. The reversal of 80880152728 is 82725108808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31011025 + ... + 31013632.

Almost surely, 2^80880152728 is an apocalyptic number.

It is an amenable number.

80880152728 is a deficient number, since it is larger than the sum of its proper divisors (71700505952).

80880152728 is a wasteful number, since it uses less digits than its factorization.

80880152728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62024826 (or 62024822 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 49.

The spelling of 80880152728 in words is "eighty billion, eight hundred eighty million, one hundred fifty-two thousand, seven hundred twenty-eight".