180107978 has 8 divisors (see below), whose sum is σ = 270581472. Its totient is φ = 89914156.

The previous prime is 180107969. The next prime is 180107981. The reversal of 180107978 is 879701081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68300 + ... + 70887.

It is an arithmetic number, because the mean of its divisors is an integer number (33822684).

Almost surely, 2^180107978 is an apocalyptic number.

180107978 is a deficient number, since it is larger than the sum of its proper divisors (90473494).

180107978 is a wasteful number, since it uses less digits than its factorization.

180107978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139836.

The product of its (nonzero) digits is 28224, while the sum is 41.

The square root of 180107978 is about 13420.4313641552. The cubic root of 180107978 is about 564.7344960808.

The spelling of 180107978 in words is "one hundred eighty million, one hundred seven thousand, nine hundred seventy-eight".