117358897 has 4 divisors (see below), whose sum is σ = 117584676. Its totient is φ = 117133120.

The previous prime is 117358873. The next prime is 117358909. The reversal of 117358897 is 798853711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 798853711 = 139 ⋅5747149.

It can be written as a sum of positive squares in 2 ways, for example, as 17338896 + 100020001 = 4164^2 + 10001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117358897 is a prime.

It is a super-2 number, since 2×117358897² = 27546221410113218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117358897.

It is not an unprimeable number, because it can be changed into a prime (117358817) 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, 112108 + ... + 113149.

It is an arithmetic number, because the mean of its divisors is an integer number (29396169).

Almost surely, 2^117358897 is an apocalyptic number.

It is an amenable number.

117358897 is a deficient number, since it is larger than the sum of its proper divisors (225779).

117358897 is an equidigital number, since it uses as much as digits as its factorization.

117358897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225778.

The product of its digits is 423360, while the sum is 49.

The square root of 117358897 is about 10833.2311431078. The cubic root of 117358897 is about 489.5969154854.

The spelling of 117358897 in words is "one hundred seventeen million, three hundred fifty-eight thousand, eight hundred ninety-seven".