118478470178 has 8 divisors (see below), whose sum is σ = 179348143260. Its totient is φ = 58695755760.

The previous prime is 118478470171. The next prime is 118478470219. The reversal of 118478470178 is 871074874811.

It can be written as a sum of positive squares in 2 ways, for example, as 108812237689 + 9666232489 = 329867^2 + 98317^2 .

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

It is not an unprimeable number, because it can be changed into a prime (118478470171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271739393 + ... + 271739828.

Almost surely, 2^118478470178 is an apocalyptic number.

118478470178 is a deficient number, since it is larger than the sum of its proper divisors (60869673082).

118478470178 is a wasteful number, since it uses less digits than its factorization.

118478470178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543479332.

The product of its (nonzero) digits is 2809856, while the sum is 56.

The spelling of 118478470178 in words is "one hundred eighteen billion, four hundred seventy-eight million, four hundred seventy thousand, one hundred seventy-eight".