80328866780 has 48 divisors (see below), whose sum is σ = 169339082976. Its totient is φ = 32008273920.

The previous prime is 80328866747. The next prime is 80328866819. The reversal of 80328866780 is 8766882308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5659052 + ... + 5673228.

It is an arithmetic number, because the mean of its divisors is an integer number (3527897562).

Almost surely, 2^80328866780 is an apocalyptic number.

It is an amenable number.

80328866780 is an abundant number, since it is smaller than the sum of its proper divisors (89010216196).

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

80328866780 is a wasteful number, since it uses less digits than its factorization.

80328866780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15254 (or 15252 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 80328866780 in words is "eighty billion, three hundred twenty-eight million, eight hundred sixty-six thousand, seven hundred eighty".