80780844364 has 24 divisors (see below), whose sum is σ = 155492514576. Its totient is φ = 36718563200.

The previous prime is 80780844349. The next prime is 80780844367. The reversal of 80780844364 is 46344808708.

It is not an unprimeable number, because it can be changed into a prime (80780844367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7581157 + ... + 7591804.

It is an arithmetic number, because the mean of its divisors is an integer number (6478854774).

Almost surely, 2^80780844364 is an apocalyptic number.

It is an amenable number.

80780844364 is a deficient number, since it is larger than the sum of its proper divisors (74711670212).

80780844364 is a wasteful number, since it uses less digits than its factorization.

80780844364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15172998 (or 15172974 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 52.

The spelling of 80780844364 in words is "eighty billion, seven hundred eighty million, eight hundred forty-four thousand, three hundred sixty-four".