80450720922 has 32 divisors (see below), whose sum is σ = 189031066560. Its totient is φ = 22503697920.

The previous prime is 80450720879. The next prime is 80450720923. The reversal of 80450720922 is 22902705408.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (80450720923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46881847 + ... + 46883562.

It is an arithmetic number, because the mean of its divisors is an integer number (5907220830).

Almost surely, 2^80450720922 is an apocalyptic number.

80450720922 is an abundant number, since it is smaller than the sum of its proper divisors (108580345638).

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

80450720922 is a wasteful number, since it uses less digits than its factorization.

80450720922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93765438.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 80450720922 in words is "eighty billion, four hundred fifty million, seven hundred twenty thousand, nine hundred twenty-two".