80426420799 has 8 divisors (see below), whose sum is σ = 107397462192. Its totient is φ = 53536496640.

The previous prime is 80426420791. The next prime is 80426420857. The reversal of 80426420799 is 99702462408.

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

It is not a de Polignac number, because 80426420799 - 2³ = 80426420791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80426420791) 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, 20276994 + ... + 20280959.

It is an arithmetic number, because the mean of its divisors is an integer number (13424682774).

Almost surely, 2^80426420799 is an apocalyptic number.

80426420799 is a deficient number, since it is larger than the sum of its proper divisors (26971041393).

80426420799 is a wasteful number, since it uses less digits than its factorization.

80426420799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40558617.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 80426420799 in words is "eighty billion, four hundred twenty-six million, four hundred twenty thousand, seven hundred ninety-nine".