118288578 has 8 divisors (see below), whose sum is σ = 236577168. Its totient is φ = 39429524.

The previous prime is 118288561. The next prime is 118288631. The reversal of 118288578 is 875882811.

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

118288578 is an admirable number.

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, 9857376 + ... + 9857387.

It is an arithmetic number, because the mean of its divisors is an integer number (29572146).

Almost surely, 2^118288578 is an apocalyptic number.

118288578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118288578 is a wasteful number, since it uses less digits than its factorization.

118288578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19714768.

The product of its digits is 286720, while the sum is 48.

The square root of 118288578 is about 10876.0552591461. The cubic root of 118288578 is about 490.8863286179.

The spelling of 118288578 in words is "one hundred eighteen million, two hundred eighty-eight thousand, five hundred seventy-eight".