117355897 has 8 divisors (see below), whose sum is σ = 122572800. Its totient is φ = 112246704.

The previous prime is 117355853. The next prime is 117355937. The reversal of 117355897 is 798553711.

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 117355897 - 2⁷ = 117355769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117353897) 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 7 ways as a sum of consecutive naturals, for example, 24697 + ... + 29062.

It is an arithmetic number, because the mean of its divisors is an integer number (15321600).

Almost surely, 2^117355897 is an apocalyptic number.

It is an amenable number.

117355897 is a deficient number, since it is larger than the sum of its proper divisors (5216903).

117355897 is an equidigital number, since it uses as much as digits as its factorization.

117355897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53855.

The product of its digits is 264600, while the sum is 46.

The square root of 117355897 is about 10833.0926793783. The cubic root of 117355897 is about 489.5927436578.

The spelling of 117355897 in words is "one hundred seventeen million, three hundred fifty-five thousand, eight hundred ninety-seven".