118428277 has 8 divisors (see below), whose sum is σ = 133362432. Its totient is φ = 104188800.

The previous prime is 118428269. The next prime is 118428353. The reversal of 118428277 is 772824811.

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

It is a cyclic number.

It is not a de Polignac number, because 118428277 - 2³ = 118428269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118428227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173308 + ... + 173989.

It is an arithmetic number, because the mean of its divisors is an integer number (16670304).

Almost surely, 2^118428277 is an apocalyptic number.

It is an amenable number.

118428277 is a deficient number, since it is larger than the sum of its proper divisors (14934155).

118428277 is a wasteful number, since it uses less digits than its factorization.

118428277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347339.

The product of its digits is 50176, while the sum is 40.

The square root of 118428277 is about 10882.4756834095. The cubic root of 118428277 is about 491.0794984399.

The spelling of 118428277 in words is "one hundred eighteen million, four hundred twenty-eight thousand, two hundred seventy-seven".