117704647 has 2 divisors, whose sum is σ = 117704648. Its totient is φ = 117704646.

The previous prime is 117704623. The next prime is 117704681. The reversal of 117704647 is 746407711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117704647 - 2⁷ = 117704519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117704947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58852323 + 58852324.

It is an arithmetic number, because the mean of its divisors is an integer number (58852324).

Almost surely, 2^117704647 is an apocalyptic number.

117704647 is a deficient number, since it is larger than the sum of its proper divisors (1).

117704647 is an equidigital number, since it uses as much as digits as its factorization.

117704647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 117704647 is about 10849.1772499116. The cubic root of 117704647 is about 490.0772431331.

The spelling of 117704647 in words is "one hundred seventeen million, seven hundred four thousand, six hundred forty-seven".