118108877 has 4 divisors (see below), whose sum is σ = 125056476. Its totient is φ = 111161280.

The previous prime is 118108819. The next prime is 118108889. The reversal of 118108877 is 778801811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 778801811 = 19 ⋅40989569.

It can be written as a sum of positive squares in 2 ways, for example, as 109704676 + 8404201 = 10474^2 + 2899^2 .

It is a cyclic number.

It is not a de Polignac number, because 118108877 - 2⁸ = 118108621 is a prime.

It is a super-2 number, since 2×118108877² = 27899413652402258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118108897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3473774 + ... + 3473807.

It is an arithmetic number, because the mean of its divisors is an integer number (31264119).

Almost surely, 2^118108877 is an apocalyptic number.

118108877 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

118108877 is a deficient number, since it is larger than the sum of its proper divisors (6947599).

118108877 is an equidigital number, since it uses as much as digits as its factorization.

118108877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947598.

The product of its (nonzero) digits is 25088, while the sum is 41.

The square root of 118108877 is about 10867.7908058630. The cubic root of 118108877 is about 490.6376219561.

The spelling of 118108877 in words is "one hundred eighteen million, one hundred eight thousand, eight hundred seventy-seven".