118316837 has 2 divisors, whose sum is σ = 118316838. Its totient is φ = 118316836.

The previous prime is 118316831. The next prime is 118316873. The reversal of 118316837 is 738613811.

Together with next prime (118316873) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62948356 + 55368481 = 7934^2 + 7441^2 .

It is a cyclic number.

It is not a de Polignac number, because 118316837 - 2⁸ = 118316581 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118316837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118316831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59158418 + 59158419.

It is an arithmetic number, because the mean of its divisors is an integer number (59158419).

Almost surely, 2^118316837 is an apocalyptic number.

It is an amenable number.

118316837 is a deficient number, since it is larger than the sum of its proper divisors (1).

118316837 is an equidigital number, since it uses as much as digits as its factorization.

118316837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 118316837 is about 10877.3543198703. The cubic root of 118316837 is about 490.9254162246.

The spelling of 118316837 in words is "one hundred eighteen million, three hundred sixteen thousand, eight hundred thirty-seven".