117676829 has 2 divisors, whose sum is σ = 117676830. Its totient is φ = 117676828.

The previous prime is 117676813. The next prime is 117676831. The reversal of 117676829 is 928676711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112317604 + 5359225 = 10598^2 + 2315^2 .

It is an emirp because it is prime and its reverse (928676711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117676829 - 2⁴ = 117676813 is a prime.

Together with 117676831, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117676879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58838414 + 58838415.

It is an arithmetic number, because the mean of its divisors is an integer number (58838415).

Almost surely, 2^117676829 is an apocalyptic number.

It is an amenable number.

117676829 is a deficient number, since it is larger than the sum of its proper divisors (1).

117676829 is an equidigital number, since it uses as much as digits as its factorization.

117676829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 47.

The square root of 117676829 is about 10847.8951414549. The cubic root of 117676829 is about 490.0386322450.

The spelling of 117676829 in words is "one hundred seventeen million, six hundred seventy-six thousand, eight hundred twenty-nine".