180794879 has 4 divisors (see below), whose sum is σ = 181482576. Its totient is φ = 180107184.

The previous prime is 180794869. The next prime is 180794893. The reversal of 180794879 is 978497081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978497081 = 79 ⋅12386039.

It is a cyclic number.

It is not a de Polignac number, because 180794879 - 2⁴ = 180794863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 180794879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180794869) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 343454 + ... + 343979.

It is an arithmetic number, because the mean of its divisors is an integer number (45370644).

Almost surely, 2^180794879 is an apocalyptic number.

180794879 is a deficient number, since it is larger than the sum of its proper divisors (687697).

180794879 is an equidigital number, since it uses as much as digits as its factorization.

180794879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687696.

The product of its (nonzero) digits is 1016064, while the sum is 53.

The square root of 180794879 is about 13445.9986241261. The cubic root of 180794879 is about 565.4515188863.

The spelling of 180794879 in words is "one hundred eighty million, seven hundred ninety-four thousand, eight hundred seventy-nine".