117756407 has 8 divisors (see below), whose sum is σ = 120403584. Its totient is φ = 115125088.

The previous prime is 117756371. The next prime is 117756421. The reversal of 117756407 is 704657711.

It is a happy number.

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 117756407 - 2¹² = 117752311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117756487) 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, 11738 + ... + 19320.

It is an arithmetic number, because the mean of its divisors is an integer number (15050448).

Almost surely, 2^117756407 is an apocalyptic number.

117756407 is a deficient number, since it is larger than the sum of its proper divisors (2647177).

117756407 is an equidigital number, since it uses as much as digits as its factorization.

117756407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7929.

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 117756407 is about 10851.5624220662. The cubic root of 117756407 is about 490.1490689033.

The spelling of 117756407 in words is "one hundred seventeen million, seven hundred fifty-six thousand, four hundred seven".