117387825 has 12 divisors (see below), whose sum is σ = 194081328. Its totient is φ = 62606800.

The previous prime is 117387817. The next prime is 117387847. The reversal of 117387825 is 528783711.

It is not a de Polignac number, because 117387825 - 2³ = 117387817 is a prime.

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, 782511 + ... + 782660.

It is an arithmetic number, because the mean of its divisors is an integer number (16173444).

Almost surely, 2^117387825 is an apocalyptic number.

117387825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117387825 is a deficient number, since it is larger than the sum of its proper divisors (76693503).

117387825 is a wasteful number, since it uses less digits than its factorization.

117387825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565184 (or 1565179 counting only the distinct ones).

The product of its digits is 94080, while the sum is 42.

The square root of 117387825 is about 10834.5662118979. The cubic root of 117387825 is about 489.6371393809.

The spelling of 117387825 in words is "one hundred seventeen million, three hundred eighty-seven thousand, eight hundred twenty-five".