80859392823 has 16 divisors (see below), whose sum is σ = 123803856000. Its totient is φ = 46426445280.

The previous prime is 80859392821. The next prime is 80859392839. The reversal of 80859392823 is 32829395808.

It is not a de Polignac number, because 80859392823 - 2¹ = 80859392821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80859392821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64480548 + ... + 64481801.

It is an arithmetic number, because the mean of its divisors is an integer number (7737741000).

Almost surely, 2^80859392823 is an apocalyptic number.

80859392823 is a deficient number, since it is larger than the sum of its proper divisors (42944463177).

80859392823 is a wasteful number, since it uses less digits than its factorization.

80859392823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128962382.

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 80859392823 in words is "eighty billion, eight hundred fifty-nine million, three hundred ninety-two thousand, eight hundred twenty-three".