118279478 has 16 divisors (see below), whose sum is σ = 186386400. Its totient is φ = 56185536.

The previous prime is 118279459. The next prime is 118279481. The reversal of 118279478 is 874972811.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1775 + ... + 15482.

It is an arithmetic number, because the mean of its divisors is an integer number (11649150).

Almost surely, 2^118279478 is an apocalyptic number.

118279478 is a deficient number, since it is larger than the sum of its proper divisors (68106922).

118279478 is a wasteful number, since it uses less digits than its factorization.

118279478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17431.

The product of its digits is 225792, while the sum is 47.

The square root of 118279478 is about 10875.6369008900. The cubic root of 118279478 is about 490.8737402507.

The spelling of 118279478 in words is "one hundred eighteen million, two hundred seventy-nine thousand, four hundred seventy-eight".