117839633 has 2 divisors, whose sum is σ = 117839634. Its totient is φ = 117839632.

The previous prime is 117839599. The next prime is 117839671. The reversal of 117839633 is 336938711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116035984 + 1803649 = 10772^2 + 1343^2 .

It is an emirp because it is prime and its reverse (336938711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117839633 - 2⁶ = 117839569 is a prime.

It is not a weakly prime, because it can be changed into another prime (117839233) 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, 58919816 + 58919817.

It is an arithmetic number, because the mean of its divisors is an integer number (58919817).

Almost surely, 2^117839633 is an apocalyptic number.

It is an amenable number.

117839633 is a deficient number, since it is larger than the sum of its proper divisors (1).

117839633 is an equidigital number, since it uses as much as digits as its factorization.

117839633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 41.

The square root of 117839633 is about 10855.3964920679. The cubic root of 117839633 is about 490.2645149636.

The spelling of 117839633 in words is "one hundred seventeen million, eight hundred thirty-nine thousand, six hundred thirty-three".