179729484879 has 12 divisors (see below), whose sum is σ = 278764099224. Its totient is φ = 102702562704.

The previous prime is 179729484853. The next prime is 179729484899. The reversal of 179729484879 is 978484927971.

It is not a de Polignac number, because 179729484879 - 2⁹ = 179729484367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 179729484879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (179729484899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 611324632 + ... + 611324925.

It is an arithmetic number, because the mean of its divisors is an integer number (23230341602).

Almost surely, 2^179729484879 is an apocalyptic number.

179729484879 is a deficient number, since it is larger than the sum of its proper divisors (99034614345).

179729484879 is a wasteful number, since it uses less digits than its factorization.

179729484879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222649574 (or 1222649567 counting only the distinct ones).

The product of its digits is 512096256, while the sum is 75.

The spelling of 179729484879 in words is "one hundred seventy-nine billion, seven hundred twenty-nine million, four hundred eighty-four thousand, eight hundred seventy-nine".