117643008 has 144 divisors (see below), whose sum is σ = 363668480. Its totient is φ = 33067008.

The previous prime is 117643007. The next prime is 117643013. The reversal of 117643008 is 800346711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117643007) 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, 424566 + ... + 424842.

Almost surely, 2^117643008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117643008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181834240).

117643008 is an abundant number, since it is smaller than the sum of its proper divisors (246025472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117643008 is an equidigital number, since it uses as much as digits as its factorization.

117643008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 117643008 is about 10846.3361555873. The cubic root of 117643008 is about 489.9916811027.

Adding to 117643008 its reverse (800346711), we get a palindrome (917989719).

The spelling of 117643008 in words is "one hundred seventeen million, six hundred forty-three thousand, eight".