117838935 has 32 divisors (see below), whose sum is σ = 209964480. Its totient is φ = 62705664.

The previous prime is 117838933. The next prime is 117838949. The reversal of 117838935 is 539838711.

It is not a de Polignac number, because 117838935 - 2¹ = 117838933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117838933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90207 + ... + 91503.

It is an arithmetic number, because the mean of its divisors is an integer number (6561390).

Almost surely, 2^117838935 is an apocalyptic number.

117838935 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117838935 is a deficient number, since it is larger than the sum of its proper divisors (92125545).

117838935 is a wasteful number, since it uses less digits than its factorization.

117838935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984 (or 1978 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 117838935 is about 10855.3643421122. The cubic root of 117838935 is about 490.2635469664.

The spelling of 117838935 in words is "one hundred seventeen million, eight hundred thirty-eight thousand, nine hundred thirty-five".