117717400 has 48 divisors (see below), whose sum is σ = 274591800. Its totient is φ = 46932480.

The previous prime is 117717389. The next prime is 117717403. The reversal of 117717400 is 4717711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117717403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75024 + ... + 76576.

Almost surely, 2^117717400 is an apocalyptic number.

117717400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117717400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137295900).

117717400 is an abundant number, since it is smaller than the sum of its proper divisors (156874400).

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

117717400 is a wasteful number, since it uses less digits than its factorization.

117717400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948 (or 1939 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 28.

The square root of 117717400 is about 10849.7649744130. The cubic root of 117717400 is about 490.0949420361.

The spelling of 117717400 in words is "one hundred seventeen million, seven hundred seventeen thousand, four hundred".