117768853 has 2 divisors, whose sum is σ = 117768854. Its totient is φ = 117768852.

The previous prime is 117768823. The next prime is 117768953. The reversal of 117768853 is 358867711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106357969 + 11410884 = 10313^2 + 3378^2 .

It is a cyclic number.

It is not a de Polignac number, because 117768853 - 2¹⁷ = 117637781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117768823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58884426 + 58884427.

It is an arithmetic number, because the mean of its divisors is an integer number (58884427).

Almost surely, 2^117768853 is an apocalyptic number.

It is an amenable number.

117768853 is a deficient number, since it is larger than the sum of its proper divisors (1).

117768853 is an equidigital number, since it uses as much as digits as its factorization.

117768853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 46.

The square root of 117768853 is about 10852.1358727211. The cubic root of 117768853 is about 490.1663366980.

The spelling of 117768853 in words is "one hundred seventeen million, seven hundred sixty-eight thousand, eight hundred fifty-three".