117769529 has 2 divisors, whose sum is σ = 117769530. Its totient is φ = 117769528.

The previous prime is 117769427. The next prime is 117769541. The reversal of 117769529 is 925967711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59598400 + 58171129 = 7720^2 + 7627^2 .

It is a cyclic number.

It is not a de Polignac number, because 117769529 - 2²⁴ = 100992313 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117769579) 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, 58884764 + 58884765.

It is an arithmetic number, because the mean of its divisors is an integer number (58884765).

Almost surely, 2^117769529 is an apocalyptic number.

It is an amenable number.

117769529 is a deficient number, since it is larger than the sum of its proper divisors (1).

117769529 is an equidigital number, since it uses as much as digits as its factorization.

117769529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238140, while the sum is 47.

The square root of 117769529 is about 10852.1670186189. The cubic root of 117769529 is about 490.1672745572.

The spelling of 117769529 in words is "one hundred seventeen million, seven hundred sixty-nine thousand, five hundred twenty-nine".