117378497 has 2 divisors, whose sum is σ = 117378498. Its totient is φ = 117378496.

The previous prime is 117378487. The next prime is 117378551. The reversal of 117378497 is 794873711.

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., 104121616 + 13256881 = 10204^2 + 3641^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117378497 is a prime.

It is not a weakly prime, because it can be changed into another prime (117378487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58689248 + 58689249.

It is an arithmetic number, because the mean of its divisors is an integer number (58689249).

Almost surely, 2^117378497 is an apocalyptic number.

It is an amenable number.

117378497 is a deficient number, since it is larger than the sum of its proper divisors (1).

117378497 is an equidigital number, since it uses as much as digits as its factorization.

117378497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 47.

The square root of 117378497 is about 10834.1357292587. The cubic root of 117378497 is about 489.6241696764.

The spelling of 117378497 in words is "one hundred seventeen million, three hundred seventy-eight thousand, four hundred ninety-seven".