117766925 has 6 divisors (see below), whose sum is σ = 146031018. Its totient is φ = 94213520.

The previous prime is 117766889. The next prime is 117766927. The reversal of 117766925 is 529667711.

It can be written as a sum of positive squares in 3 ways, for example, as 7873636 + 109893289 = 2806^2 + 10483^2 .

It is not a de Polignac number, because 117766925 - 2²² = 113572621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117766927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2355314 + ... + 2355363.

It is an arithmetic number, because the mean of its divisors is an integer number (24338503).

Almost surely, 2^117766925 is an apocalyptic number.

It is an amenable number.

117766925 is a deficient number, since it is larger than the sum of its proper divisors (28264093).

117766925 is an equidigital number, since it uses as much as digits as its factorization.

117766925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4710687 (or 4710682 counting only the distinct ones).

The product of its digits is 158760, while the sum is 44.

The square root of 117766925 is about 10852.0470419179. The cubic root of 117766925 is about 490.1636618373.

The spelling of 117766925 in words is "one hundred seventeen million, seven hundred sixty-six thousand, nine hundred twenty-five".