117859019 has 2 divisors, whose sum is σ = 117859020. Its totient is φ = 117859018.

The previous prime is 117859003. The next prime is 117859031. The reversal of 117859019 is 910958711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117859019 - 2⁴ = 117859003 is a prime.

It is a super-2 number, since 2×117859019² = 27781496719284722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117859039) 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, 58929509 + 58929510.

It is an arithmetic number, because the mean of its divisors is an integer number (58929510).

Almost surely, 2^117859019 is an apocalyptic number.

117859019 is a deficient number, since it is larger than the sum of its proper divisors (1).

117859019 is an equidigital number, since it uses as much as digits as its factorization.

117859019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 41.

The square root of 117859019 is about 10856.2893752884. The cubic root of 117859019 is about 490.2913982413.

The spelling of 117859019 in words is "one hundred seventeen million, eight hundred fifty-nine thousand, nineteen".