180797985874 has 32 divisors (see below), whose sum is σ = 310245603840. Its totient is φ = 78260112000.

The previous prime is 180797985871. The next prime is 180797985877. The reversal of 180797985874 is 478589797081.

It is an interprime number because it is at equal distance from previous prime (180797985871) and next prime (180797985877).

It is a Harshad number since it is a multiple of its sum of digits (73).

It is a junction number, because it is equal to n+sod(n) for n = 180797985797 and 180797985806.

It is not an unprimeable number, because it can be changed into a prime (180797985871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1894402 + ... + 1987549.

It is an arithmetic number, because the mean of its divisors is an integer number (9695175120).

Almost surely, 2^180797985874 is an apocalyptic number.

180797985874 is a deficient number, since it is larger than the sum of its proper divisors (129447617966).

180797985874 is a wasteful number, since it uses less digits than its factorization.

180797985874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882066.

The product of its (nonzero) digits is 284497920, while the sum is 73.

The spelling of 180797985874 in words is "one hundred eighty billion, seven hundred ninety-seven million, nine hundred eighty-five thousand, eight hundred seventy-four".