117339869 has 2 divisors, whose sum is σ = 117339870. Its totient is φ = 117339868.

The previous prime is 117339863. The next prime is 117339883. The reversal of 117339869 is 968933711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111555844 + 5784025 = 10562^2 + 2405^2 .

It is an emirp because it is prime and its reverse (968933711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117339869 - 2⁴ = 117339853 is a prime.

It is a super-2 number, since 2×117339869² = 27537289713874322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117339863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58669934 + 58669935.

It is an arithmetic number, because the mean of its divisors is an integer number (58669935).

Almost surely, 2^117339869 is an apocalyptic number.

It is an amenable number.

117339869 is a deficient number, since it is larger than the sum of its proper divisors (1).

117339869 is an equidigital number, since it uses as much as digits as its factorization.

117339869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 47.

The square root of 117339869 is about 10832.3528838383. The cubic root of 117339869 is about 489.5704537687.

The spelling of 117339869 in words is "one hundred seventeen million, three hundred thirty-nine thousand, eight hundred sixty-nine".