117832861 has 2 divisors, whose sum is σ = 117832862. Its totient is φ = 117832860.

The previous prime is 117832823. The next prime is 117832867. The reversal of 117832861 is 168238711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76230361 + 41602500 = 8731^2 + 6450^2 .

It is a cyclic number.

It is not a de Polignac number, because 117832861 - 2¹³ = 117824669 is a prime.

It is equal to p_6725269 and since 117832861 and 6725269 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117832861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117832867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58916430 + 58916431.

It is an arithmetic number, because the mean of its divisors is an integer number (58916431).

Almost surely, 2^117832861 is an apocalyptic number.

It is an amenable number.

117832861 is a deficient number, since it is larger than the sum of its proper divisors (1).

117832861 is an equidigital number, since it uses as much as digits as its factorization.

117832861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 37.

The square root of 117832861 is about 10855.0845689935. The cubic root of 117832861 is about 490.2551232878.

The spelling of 117832861 in words is "one hundred seventeen million, eight hundred thirty-two thousand, eight hundred sixty-one".