180978087479068 has 48 divisors (see below), whose sum is σ = 348936816221280. Its totient is φ = 81445397472000.

The previous prime is 180978087479041. The next prime is 180978087479197. The reversal of 180978087479068 is 860974780879081.

It is a junction number, because it is equal to n+sod(n) for n = 180978087478982 and 180978087479000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127231030 + ... + 128645602.

It is an arithmetic number, because the mean of its divisors is an integer number (7269517004610).

Almost surely, 2^{180978087479068} is an apocalyptic number.

It is an amenable number.

180978087479068 is a deficient number, since it is larger than the sum of its proper divisors (167958728742212).

180978087479068 is a wasteful number, since it uses less digits than its factorization.

180978087479068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443478 (or 1443476 counting only the distinct ones).

The product of its (nonzero) digits is 2731180032, while the sum is 82.

The spelling of 180978087479068 in words is "one hundred eighty trillion, nine hundred seventy-eight billion, eighty-seven million, four hundred seventy-nine thousand, sixty-eight".