80589215794 has 4 divisors (see below), whose sum is σ = 120883823694. Its totient is φ = 40294607896.

The previous prime is 80589215719. The next prime is 80589215803. The reversal of 80589215794 is 49751298508.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51735777025 + 28853438769 = 227455^2 + 169863^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20147303947 + ... + 20147303950.

Almost surely, 2^80589215794 is an apocalyptic number.

80589215794 is a deficient number, since it is larger than the sum of its proper divisors (40294607900).

80589215794 is a wasteful number, since it uses less digits than its factorization.

80589215794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40294607899.

The product of its (nonzero) digits is 7257600, while the sum is 58.

The spelling of 80589215794 in words is "eighty billion, five hundred eighty-nine million, two hundred fifteen thousand, seven hundred ninety-four".