117970859 has 2 divisors, whose sum is σ = 117970860. Its totient is φ = 117970858.

The previous prime is 117970849. The next prime is 117970873. The reversal of 117970859 is 958079711.

It is a weak prime.

It is an emirp because it is prime and its reverse (958079711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117970859 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117970819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58985429 + 58985430.

It is an arithmetic number, because the mean of its divisors is an integer number (58985430).

Almost surely, 2^117970859 is an apocalyptic number.

117970859 is a deficient number, since it is larger than the sum of its proper divisors (1).

117970859 is an equidigital number, since it uses as much as digits as its factorization.

117970859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 47.

The square root of 117970859 is about 10861.4390851305. The cubic root of 117970859 is about 490.4464333417.

The spelling of 117970859 in words is "one hundred seventeen million, nine hundred seventy thousand, eight hundred fifty-nine".