117975859 has 2 divisors, whose sum is σ = 117975860. Its totient is φ = 117975858.

The previous prime is 117975853. The next prime is 117975877. The reversal of 117975859 is 958579711.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117975859 - 2¹⁷ = 117844787 is a prime.

It is not a weakly prime, because it can be changed into another prime (117975853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58987929 + 58987930.

It is an arithmetic number, because the mean of its divisors is an integer number (58987930).

Almost surely, 2^117975859 is an apocalyptic number.

117975859 is a deficient number, since it is larger than the sum of its proper divisors (1).

117975859 is an equidigital number, since it uses as much as digits as its factorization.

117975859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793800, while the sum is 52.

The square root of 117975859 is about 10861.6692547693. The cubic root of 117975859 is about 490.4533621645.

The spelling of 117975859 in words is "one hundred seventeen million, nine hundred seventy-five thousand, eight hundred fifty-nine".