117864925 has 12 divisors (see below), whose sum is σ = 147797460. Its totient is φ = 93230720.

The previous prime is 117864913. The next prime is 117864931. The reversal of 117864925 is 529468711.

It can be written as a sum of positive squares in 6 ways, for example, as 770884 + 117094041 = 878^2 + 10821^2 .

It is not a de Polignac number, because 117864925 - 2¹⁵ = 117832157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24262 + ... + 28711.

It is an arithmetic number, because the mean of its divisors is an integer number (12316455).

Almost surely, 2^117864925 is an apocalyptic number.

It is an amenable number.

117864925 is a deficient number, since it is larger than the sum of its proper divisors (29932535).

117864925 is an equidigital number, since it uses as much as digits as its factorization.

117864925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53072 (or 53067 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 117864925 is about 10856.5613801056. The cubic root of 117864925 is about 490.2995877225.

The spelling of 117864925 in words is "one hundred seventeen million, eight hundred sixty-four thousand, nine hundred twenty-five".