117828823 has 8 divisors (see below), whose sum is σ = 141749120. Its totient is φ = 95680440.

The previous prime is 117828811. The next prime is 117828871. The reversal of 117828823 is 328828711.

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

It is a cyclic number.

It is not a de Polignac number, because 117828823 - 2¹³ = 117820631 is a prime.

It is a super-3 number, since 3×117828823³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117828803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442833 + ... + 443098.

It is an arithmetic number, because the mean of its divisors is an integer number (17718640).

Almost surely, 2^117828823 is an apocalyptic number.

117828823 is a deficient number, since it is larger than the sum of its proper divisors (23920297).

117828823 is an equidigital number, since it uses as much as digits as its factorization.

117828823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885957.

The product of its digits is 43008, while the sum is 40.

The square root of 117828823 is about 10854.8985716127. The cubic root of 117828823 is about 490.2495230594.

The spelling of 117828823 in words is "one hundred seventeen million, eight hundred twenty-eight thousand, eight hundred twenty-three".