118428278 has 16 divisors (see below), whose sum is σ = 183099840. Its totient is φ = 57415176.

The previous prime is 118428269. The next prime is 118428353. The reversal of 118428278 is 872824811.

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, 7001 + ... + 16907.

It is an arithmetic number, because the mean of its divisors is an integer number (11443740).

Almost surely, 2^118428278 is an apocalyptic number.

118428278 is a deficient number, since it is larger than the sum of its proper divisors (64671562).

118428278 is a wasteful number, since it uses less digits than its factorization.

118428278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10091.

The product of its digits is 57344, while the sum is 41.

The square root of 118428278 is about 10882.4757293550. The cubic root of 118428278 is about 491.0794998221.

The spelling of 118428278 in words is "one hundred eighteen million, four hundred twenty-eight thousand, two hundred seventy-eight".