180799303977 has 6 divisors (see below), whose sum is σ = 261154550202. Its totient is φ = 120532869312.

The previous prime is 180799303973. The next prime is 180799303981. The reversal of 180799303977 is 779303997081.

It is an interprime number because it is at equal distance from previous prime (180799303973) and next prime (180799303981).

It can be written as a sum of positive squares in only one way, i.e., 153467279001 + 27332024976 = 391749^2 + 165324^2 .

It is not a de Polignac number, because 180799303977 - 2² = 180799303973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (180799303973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10044405768 + ... + 10044405785.

It is an arithmetic number, because the mean of its divisors is an integer number (43525758367).

Almost surely, 2^180799303977 is an apocalyptic number.

It is an amenable number.

180799303977 is a deficient number, since it is larger than the sum of its proper divisors (80355246225).

180799303977 is a wasteful number, since it uses less digits than its factorization.

180799303977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20088811559 (or 20088811556 counting only the distinct ones).

The product of its (nonzero) digits is 18003384, while the sum is 63.

The spelling of 180799303977 in words is "one hundred eighty billion, seven hundred ninety-nine million, three hundred three thousand, nine hundred seventy-seven".