117855713 has 6 divisors (see below), whose sum is σ = 124835814. Its totient is φ = 110880896.

The previous prime is 117855709. The next prime is 117855791. The reversal of 117855713 is 317558711.

It can be written as a sum of positive squares in 3 ways, for example, as 3429904 + 114425809 = 1852^2 + 10697^2 .

It is not a de Polignac number, because 117855713 - 2² = 117855709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117854713) 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 in 5 ways as a sum of consecutive naturals, for example, 43445 + ... + 46077.

It is an arithmetic number, because the mean of its divisors is an integer number (20805969).

Almost surely, 2^117855713 is an apocalyptic number.

It is an amenable number.

117855713 is a deficient number, since it is larger than the sum of its proper divisors (6980101).

117855713 is an frugal number, since it uses more digits than its factorization.

117855713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5283 (or 2650 counting only the distinct ones).

The product of its digits is 29400, while the sum is 38.

The square root of 117855713 is about 10856.1371122513. The cubic root of 117855713 is about 490.2868138983.

The spelling of 117855713 in words is "one hundred seventeen million, eight hundred fifty-five thousand, seven hundred thirteen".