117817534 has 8 divisors (see below), whose sum is σ = 178016688. Its totient is φ = 58478640.

The previous prime is 117817507. The next prime is 117817543. The reversal of 117817534 is 435718711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 117817493 and 117817502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214722 + ... + 215269.

It is an arithmetic number, because the mean of its divisors is an integer number (22252086).

Almost surely, 2^117817534 is an apocalyptic number.

117817534 is a deficient number, since it is larger than the sum of its proper divisors (60199154).

117817534 is a wasteful number, since it uses less digits than its factorization.

117817534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430130.

The product of its digits is 23520, while the sum is 37.

The square root of 117817534 is about 10854.3785635107. The cubic root of 117817534 is about 490.2338658727.

The spelling of 117817534 in words is "one hundred seventeen million, eight hundred seventeen thousand, five hundred thirty-four".