80504973291 has 8 divisors (see below), whose sum is σ = 107341565904. Its totient is φ = 53669181440.

The previous prime is 80504973287. The next prime is 80504973299. The reversal of 80504973291 is 19237940508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80504973291 - 2² = 80504973287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80504973291.

It is not an unprimeable number, because it can be changed into a prime (80504973299) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 97735 + ... + 412991.

It is an arithmetic number, because the mean of its divisors is an integer number (13417695738).

Almost surely, 2^80504973291 is an apocalyptic number.

80504973291 is a deficient number, since it is larger than the sum of its proper divisors (26836592613).

80504973291 is a wasteful number, since it uses less digits than its factorization.

80504973291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400381.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 80504973291 in words is "eighty billion, five hundred four million, nine hundred seventy-three thousand, two hundred ninety-one".