117947207 has 16 divisors (see below), whose sum is σ = 145426752. Its totient is φ = 93350400.

The previous prime is 117947191. The next prime is 117947209. The reversal of 117947207 is 702749711.

It is not a de Polignac number, because 117947207 - 2⁴ = 117947191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117947209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3044 + ... + 15657.

It is an arithmetic number, because the mean of its divisors is an integer number (9089172).

Almost surely, 2^117947207 is an apocalyptic number.

117947207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

117947207 is a deficient number, since it is larger than the sum of its proper divisors (27479545).

117947207 is a wasteful number, since it uses less digits than its factorization.

117947207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18778.

The product of its (nonzero) digits is 24696, while the sum is 38.

The square root of 117947207 is about 10860.3502245554. The cubic root of 117947207 is about 490.4136545847.

The spelling of 117947207 in words is "one hundred seventeen million, nine hundred forty-seven thousand, two hundred seven".