117829757 has 2 divisors, whose sum is σ = 117829758. Its totient is φ = 117829756.

The previous prime is 117829753. The next prime is 117829861. The reversal of 117829757 is 757928711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114682681 + 3147076 = 10709^2 + 1774^2 .

It is a cyclic number.

It is not a de Polignac number, because 117829757 - 2² = 117829753 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117829753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58914878 + 58914879.

It is an arithmetic number, because the mean of its divisors is an integer number (58914879).

Almost surely, 2^117829757 is an apocalyptic number.

It is an amenable number.

117829757 is a deficient number, since it is larger than the sum of its proper divisors (1).

117829757 is an equidigital number, since it uses as much as digits as its factorization.

117829757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246960, while the sum is 47.

The square root of 117829757 is about 10854.9415935785. The cubic root of 117829757 is about 490.2508184183.

The spelling of 117829757 in words is "one hundred seventeen million, eight hundred twenty-nine thousand, seven hundred fifty-seven".