117687925 has 6 divisors (see below), whose sum is σ = 145933058. Its totient is φ = 94150320.

The previous prime is 117687907. The next prime is 117687929. The reversal of 117687925 is 529786711.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11329956 + 106357969 = 3366^2 + 10313^2 .

It is not a de Polignac number, because 117687925 - 2¹³ = 117679733 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 (117687929) 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, 2353734 + ... + 2353783.

Almost surely, 2^117687925 is an apocalyptic number.

It is an amenable number.

117687925 is a deficient number, since it is larger than the sum of its proper divisors (28245133).

117687925 is an equidigital number, since it uses as much as digits as its factorization.

117687925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4707527 (or 4707522 counting only the distinct ones).

The product of its digits is 211680, while the sum is 46.

The square root of 117687925 is about 10848.4065650214. The cubic root of 117687925 is about 490.0540340246.

The spelling of 117687925 in words is "one hundred seventeen million, six hundred eighty-seven thousand, nine hundred twenty-five".