117517400 has 192 divisors, whose sum is σ = 367476480. Its totient is φ = 33753600.

The previous prime is 117517391. The next prime is 117517417. The reversal of 117517400 is 4715711.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 117517400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 199907 + ... + 200493.

It is an arithmetic number, because the mean of its divisors is an integer number (1913940).

Almost surely, 2^117517400 is an apocalyptic number.

117517400 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 117517400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183738240).

117517400 is an abundant number, since it is smaller than the sum of its proper divisors (249959080).

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

117517400 is a wasteful number, since it uses less digits than its factorization.

117517400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 117517400 is about 10840.5442667792. The cubic root of 117517400 is about 489.8172301833.

The spelling of 117517400 in words is "one hundred seventeen million, five hundred seventeen thousand, four hundred".