117746647 has 2 divisors, whose sum is σ = 117746648. Its totient is φ = 117746646.

The previous prime is 117746639. The next prime is 117746663. The reversal of 117746647 is 746647711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117746647 - 2³ = 117746639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117746677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58873323 + 58873324.

It is an arithmetic number, because the mean of its divisors is an integer number (58873324).

Almost surely, 2^117746647 is an apocalyptic number.

117746647 is a deficient number, since it is larger than the sum of its proper divisors (1).

117746647 is an equidigital number, since it uses as much as digits as its factorization.

117746647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 43.

The square root of 117746647 is about 10851.1127079208. The cubic root of 117746647 is about 490.1355268600.

The spelling of 117746647 in words is "one hundred seventeen million, seven hundred forty-six thousand, six hundred forty-seven".