117475739 has 2 divisors, whose sum is σ = 117475740. Its totient is φ = 117475738.

The previous prime is 117475733. The next prime is 117475741. The reversal of 117475739 is 937574711.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117475739 - 2⁸ = 117475483 is a prime.

It is a super-2 number, since 2×117475739² = 27601098507192242, which contains 22 as substring.

Together with 117475741, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117475739.

It is not a weakly prime, because it can be changed into another prime (117475733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58737869 + 58737870.

It is an arithmetic number, because the mean of its divisors is an integer number (58737870).

Almost surely, 2^117475739 is an apocalyptic number.

117475739 is a deficient number, since it is larger than the sum of its proper divisors (1).

117475739 is an equidigital number, since it uses as much as digits as its factorization.

117475739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 185220, while the sum is 44.

The square root of 117475739 is about 10838.6225600858. The cubic root of 117475739 is about 489.7593417699.

The spelling of 117475739 in words is "one hundred seventeen million, four hundred seventy-five thousand, seven hundred thirty-nine".