117834819 has 16 divisors (see below), whose sum is σ = 164965632. Its totient is φ = 74672928.

The previous prime is 117834817. The next prime is 117834823. The reversal of 117834819 is 918438711.

It is not a de Polignac number, because 117834819 - 2¹ = 117834817 is a prime.

It is a super-2 number, since 2×117834819² = 27770089137525522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117834811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6009 + ... + 16485.

It is an arithmetic number, because the mean of its divisors is an integer number (10310352).

Almost surely, 2^117834819 is an apocalyptic number.

117834819 is a deficient number, since it is larger than the sum of its proper divisors (47130813).

117834819 is a wasteful number, since it uses less digits than its factorization.

117834819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10666.

The product of its digits is 48384, while the sum is 42.

The square root of 117834819 is about 10855.1747567692. The cubic root of 117834819 is about 490.2578387561.

The spelling of 117834819 in words is "one hundred seventeen million, eight hundred thirty-four thousand, eight hundred nineteen".