117835870 has 32 divisors (see below), whose sum is σ = 216636480. Its totient is φ = 46137600.

The previous prime is 117835859. The next prime is 117835871. The reversal of 117835870 is 78538711.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117835871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109696 + ... + 110764.

It is an arithmetic number, because the mean of its divisors is an integer number (6769890).

Almost surely, 2^117835870 is an apocalyptic number.

117835870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117835870 is a deficient number, since it is larger than the sum of its proper divisors (98800610).

117835870 is a wasteful number, since it uses less digits than its factorization.

117835870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300.

The product of its (nonzero) digits is 47040, while the sum is 40.

The square root of 117835870 is about 10855.2231667525. The cubic root of 117835870 is about 490.2592963317.

The spelling of 117835870 in words is "one hundred seventeen million, eight hundred thirty-five thousand, eight hundred seventy".