80823593679 has 4 divisors (see below), whose sum is σ = 107764791576. Its totient is φ = 53882395784.

The previous prime is 80823593657. The next prime is 80823593699. The reversal of 80823593679 is 97639532808.

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

It is a cyclic number.

It is not a de Polignac number, because 80823593679 - 2⁸ = 80823593423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80823593699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13470598944 + ... + 13470598949.

It is an arithmetic number, because the mean of its divisors is an integer number (26941197894).

Almost surely, 2^80823593679 is an apocalyptic number.

80823593679 is a deficient number, since it is larger than the sum of its proper divisors (26941197897).

80823593679 is a wasteful number, since it uses less digits than its factorization.

80823593679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26941197896.

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 80823593679 in words is "eighty billion, eight hundred twenty-three million, five hundred ninety-three thousand, six hundred seventy-nine".