118618793 has 4 divisors (see below), whose sum is σ = 118642260. Its totient is φ = 118595328.

The previous prime is 118618771. The next prime is 118618813. The reversal of 118618793 is 397816811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91910569 + 26708224 = 9587^2 + 5168^2 .

It is a cyclic number.

It is not a de Polignac number, because 118618793 - 2¹⁰ = 118617769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118618723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680 + ... + 15417.

It is an arithmetic number, because the mean of its divisors is an integer number (29660565).

Almost surely, 2^118618793 is an apocalyptic number.

It is an amenable number.

118618793 is a deficient number, since it is larger than the sum of its proper divisors (23467).

118618793 is an equidigital number, since it uses as much as digits as its factorization.

118618793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23466.

The product of its digits is 72576, while the sum is 44.

The square root of 118618793 is about 10891.2255049650. The cubic root of 118618793 is about 491.3426911491.

The spelling of 118618793 in words is "one hundred eighteen million, six hundred eighteen thousand, seven hundred ninety-three".