118079993 has 2 divisors, whose sum is σ = 118079994. Its totient is φ = 118079992.

The previous prime is 118079989. The next prime is 118080019. The reversal of 118079993 is 399970811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90117049 + 27962944 = 9493^2 + 5288^2 .

It is an emirp because it is prime and its reverse (399970811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118079993 - 2² = 118079989 is a prime.

It is not a weakly prime, because it can be changed into another prime (118079963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59039996 + 59039997.

It is an arithmetic number, because the mean of its divisors is an integer number (59039997).

Almost surely, 2^118079993 is an apocalyptic number.

It is an amenable number.

118079993 is a deficient number, since it is larger than the sum of its proper divisors (1).

118079993 is an equidigital number, since it uses as much as digits as its factorization.

118079993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 47.

The square root of 118079993 is about 10866.4618436729. The cubic root of 118079993 is about 490.5976228953.

The spelling of 118079993 in words is "one hundred eighteen million, seventy-nine thousand, nine hundred ninety-three".