117930847 has 2 divisors, whose sum is σ = 117930848. Its totient is φ = 117930846.

The previous prime is 117930829. The next prime is 117930871. The reversal of 117930847 is 748039711.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117930847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117930947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58965423 + 58965424.

It is an arithmetic number, because the mean of its divisors is an integer number (58965424).

Almost surely, 2^117930847 is an apocalyptic number.

117930847 is a deficient number, since it is larger than the sum of its proper divisors (1).

117930847 is an equidigital number, since it uses as much as digits as its factorization.

117930847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 117930847 is about 10859.5969998891. The cubic root of 117930847 is about 490.3909790771.

The spelling of 117930847 in words is "one hundred seventeen million, nine hundred thirty thousand, eight hundred forty-seven".