118378693 has 2 divisors, whose sum is σ = 118378694. Its totient is φ = 118378692.

The previous prime is 118378691. The next prime is 118378709. The reversal of 118378693 is 396873811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82773604 + 35605089 = 9098^2 + 5967^2 .

It is a cyclic number.

It is not a de Polignac number, because 118378693 - 2¹ = 118378691 is a prime.

Together with 118378691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118378691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59189346 + 59189347.

It is an arithmetic number, because the mean of its divisors is an integer number (59189347).

Almost surely, 2^118378693 is an apocalyptic number.

It is an amenable number.

118378693 is a deficient number, since it is larger than the sum of its proper divisors (1).

118378693 is an equidigital number, since it uses as much as digits as its factorization.

118378693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 46.

The square root of 118378693 is about 10880.1972868142. The cubic root of 118378693 is about 491.0109531973.

The spelling of 118378693 in words is "one hundred eighteen million, three hundred seventy-eight thousand, six hundred ninety-three".