80396834579 has 8 divisors (see below), whose sum is σ = 81237330000. Its totient is φ = 79560351712.

The previous prime is 80396834543. The next prime is 80396834621. The reversal of 80396834579 is 97543869308.

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 80396834579 - 2¹² = 80396830483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80396834519) 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, 962849 + ... + 1043010.

It is an arithmetic number, because the mean of its divisors is an integer number (10154666250).

Almost surely, 2^80396834579 is an apocalyptic number.

80396834579 is a deficient number, since it is larger than the sum of its proper divisors (840495421).

80396834579 is a wasteful number, since it uses less digits than its factorization.

80396834579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006277.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 80396834579 in words is "eighty billion, three hundred ninety-six million, eight hundred thirty-four thousand, five hundred seventy-nine".