117438757 has 16 divisors (see below), whose sum is σ = 124001280. Its totient is φ = 111081600.

The previous prime is 117438751. The next prime is 117438779. The reversal of 117438757 is 757834711.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117438757 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 (117438751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503913 + ... + 504145.

It is an arithmetic number, because the mean of its divisors is an integer number (7750080).

Almost surely, 2^117438757 is an apocalyptic number.

It is an amenable number.

117438757 is a deficient number, since it is larger than the sum of its proper divisors (6562523).

117438757 is a wasteful number, since it uses less digits than its factorization.

117438757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564.

The product of its digits is 164640, while the sum is 43.

The square root of 117438757 is about 10836.9163972045. The cubic root of 117438757 is about 489.7079434100.

The spelling of 117438757 in words is "one hundred seventeen million, four hundred thirty-eight thousand, seven hundred fifty-seven".