118657853 has 8 divisors (see below), whose sum is σ = 122178360. Its totient is φ = 115153920.

The previous prime is 118657849. The next prime is 118657883. The reversal of 118657853 is 358756811.

It can be written as a sum of positive squares in 4 ways, for example, as 59644729 + 59013124 = 7723^2 + 7682^2 .

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 118657853 - 2² = 118657849 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 (118657823) 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, 11213 + ... + 19053.

It is an arithmetic number, because the mean of its divisors is an integer number (15272295).

Almost surely, 2^118657853 is an apocalyptic number.

It is an amenable number.

118657853 is a deficient number, since it is larger than the sum of its proper divisors (3520507).

118657853 is an equidigital number, since it uses as much as digits as its factorization.

118657853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8287.

The product of its digits is 201600, while the sum is 44.

The square root of 118657853 is about 10893.0185440033. The cubic root of 118657853 is about 491.3966166664.

The spelling of 118657853 in words is "one hundred eighteen million, six hundred fifty-seven thousand, eight hundred fifty-three".