180107979 has 24 divisors (see below), whose sum is σ = 256332720. Its totient is φ = 112464384.

The previous prime is 180107969. The next prime is 180107981. The reversal of 180107979 is 979701081.

It is a happy number.

It is not a de Polignac number, because 180107979 - 2¹² = 180103883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 180107979.

It is not an unprimeable number, because it can be changed into a prime (180107909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253677 + ... + 254385.

It is an arithmetic number, because the mean of its divisors is an integer number (10680530).

Almost surely, 2^180107979 is an apocalyptic number.

180107979 is a deficient number, since it is larger than the sum of its proper divisors (76224741).

180107979 is a wasteful number, since it uses less digits than its factorization.

180107979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 42.

The square root of 180107979 is about 13420.4314014118. The cubic root of 180107979 is about 564.7344971260.

The spelling of 180107979 in words is "one hundred eighty million, one hundred seven thousand, nine hundred seventy-nine".