117164647 has 2 divisors, whose sum is σ = 117164648. Its totient is φ = 117164646.

The previous prime is 117164639. The next prime is 117164653. The reversal of 117164647 is 746461711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117164647 - 2³ = 117164639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117164617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58582323 + 58582324.

It is an arithmetic number, because the mean of its divisors is an integer number (58582324).

Almost surely, 2^117164647 is an apocalyptic number.

117164647 is a deficient number, since it is larger than the sum of its proper divisors (1).

117164647 is an equidigital number, since it uses as much as digits as its factorization.

117164647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 37.

The square root of 117164647 is about 10824.2619609838. The cubic root of 117164647 is about 489.3266427776.

The spelling of 117164647 in words is "one hundred seventeen million, one hundred sixty-four thousand, six hundred forty-seven".