118850813 has 2 divisors, whose sum is σ = 118850814. Its totient is φ = 118850812.

The previous prime is 118850803. The next prime is 118850843. The reversal of 118850813 is 318058811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113592964 + 5257849 = 10658^2 + 2293^2 .

It is a cyclic number.

It is not a de Polignac number, because 118850813 - 2²⁴ = 102073597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118850803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59425406 + 59425407.

It is an arithmetic number, because the mean of its divisors is an integer number (59425407).

Almost surely, 2^118850813 is an apocalyptic number.

It is an amenable number.

118850813 is a deficient number, since it is larger than the sum of its proper divisors (1).

118850813 is an equidigital number, since it uses as much as digits as its factorization.

118850813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 35.

The square root of 118850813 is about 10901.8719952126. The cubic root of 118850813 is about 491.6628402013.

The spelling of 118850813 in words is "one hundred eighteen million, eight hundred fifty thousand, eight hundred thirteen".