117558385 has 16 divisors (see below), whose sum is σ = 163958400. Its totient is φ = 79243776.

The previous prime is 117558379. The next prime is 117558433. The reversal of 117558385 is 583855711.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 117558385 - 2¹³ = 117550193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26400 + ... + 30529.

It is an arithmetic number, because the mean of its divisors is an integer number (10247400).

Almost surely, 2^117558385 is an apocalyptic number.

It is an amenable number.

117558385 is a deficient number, since it is larger than the sum of its proper divisors (46400015).

117558385 is an equidigital number, since it uses as much as digits as its factorization.

117558385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57000.

The product of its digits is 168000, while the sum is 43.

The square root of 117558385 is about 10842.4344591056. The cubic root of 117558385 is about 489.8741659388.

The spelling of 117558385 in words is "one hundred seventeen million, five hundred fifty-eight thousand, three hundred eighty-five".