180979299 has 16 divisors (see below), whose sum is σ = 268561440. Its totient is φ = 120453120.

The previous prime is 180979277. The next prime is 180979319. The reversal of 180979299 is 992979081.

It is a de Polignac number, because none of the positive numbers 2^k-180979299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (180979219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12079 + ... + 22535.

It is an arithmetic number, because the mean of its divisors is an integer number (16785090).

Almost surely, 2^180979299 is an apocalyptic number.

180979299 is a deficient number, since it is larger than the sum of its proper divisors (87582141).

180979299 is a wasteful number, since it uses less digits than its factorization.

180979299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11107 (or 11101 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 54.

The square root of 180979299 is about 13452.8546784688. The cubic root of 180979299 is about 565.6437166827.

The spelling of 180979299 in words is "one hundred eighty million, nine hundred seventy-nine thousand, two hundred ninety-nine".