117570813 has 8 divisors (see below), whose sum is σ = 156816000. Its totient is φ = 78353088.

The previous prime is 117570811. The next prime is 117570833. The reversal of 117570813 is 318075711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117570813 - 2¹ = 117570811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117570811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7308 + ... + 16986.

It is an arithmetic number, because the mean of its divisors is an integer number (19602000).

Almost surely, 2^117570813 is an apocalyptic number.

It is an amenable number.

117570813 is a deficient number, since it is larger than the sum of its proper divisors (39245187).

117570813 is an equidigital number, since it uses as much as digits as its factorization.

117570813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13731.

The product of its (nonzero) digits is 5880, while the sum is 33.

The square root of 117570813 is about 10843.0075624801. The cubic root of 117570813 is about 489.8914281176.

The spelling of 117570813 in words is "one hundred seventeen million, five hundred seventy thousand, eight hundred thirteen".