117449780839 has 2 divisors, whose sum is σ = 117449780840. Its totient is φ = 117449780838.

The previous prime is 117449780797. The next prime is 117449780869. The reversal of 117449780839 is 938087944711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117449780839 - 2²³ = 117441392231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117449780869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58724890419 + 58724890420.

It is an arithmetic number, because the mean of its divisors is an integer number (58724890420).

Almost surely, 2^117449780839 is an apocalyptic number.

117449780839 is a deficient number, since it is larger than the sum of its proper divisors (1).

117449780839 is an equidigital number, since it uses as much as digits as its factorization.

117449780839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12192768, while the sum is 61.

The spelling of 117449780839 in words is "one hundred seventeen billion, four hundred forty-nine million, seven hundred eighty thousand, eight hundred thirty-nine".