47218000178 has 8 divisors (see below), whose sum is σ = 70828205868. Its totient is φ = 23608598224.

The previous prime is 47218000169. The next prime is 47218000199. The reversal of 47218000178 is 87100081274.

47218000178 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42079547689 + 5138452489 = 205133^2 + 71683^2 .

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, 22301 + ... + 308112.

Almost surely, 2^47218000178 is an apocalyptic number.

47218000178 is a deficient number, since it is larger than the sum of its proper divisors (23610205690).

47218000178 is a wasteful number, since it uses less digits than its factorization.

47218000178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401868.

The product of its (nonzero) digits is 25088, while the sum is 38.

The spelling of 47218000178 in words is "forty-seven billion, two hundred eighteen million, one hundred seventy-eight", and thus it is an aban number.