117171357 has 4 divisors (see below), whose sum is σ = 156228480. Its totient is φ = 78114236.

The previous prime is 117171331. The next prime is 117171359. The reversal of 117171357 is 753171711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117171357 - 2⁸ = 117171101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117171359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19528557 + ... + 19528562.

It is an arithmetic number, because the mean of its divisors is an integer number (39057120).

Almost surely, 2^117171357 is an apocalyptic number.

It is an amenable number.

117171357 is a deficient number, since it is larger than the sum of its proper divisors (39057123).

117171357 is an equidigital number, since it uses as much as digits as its factorization.

117171357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39057122.

The product of its digits is 5145, while the sum is 33.

The square root of 117171357 is about 10824.5719083943. The cubic root of 117171357 is about 489.3359838179.

The spelling of 117171357 in words is "one hundred seventeen million, one hundred seventy-one thousand, three hundred fifty-seven".