117846563 has 4 divisors (see below), whose sum is σ = 118694520. Its totient is φ = 116998608.

The previous prime is 117846559. The next prime is 117846583. The reversal of 117846563 is 365648711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 365648711 = 19 ⋅19244669.

It is a cyclic number.

It is not a de Polignac number, because 117846563 - 2² = 117846559 is a prime.

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 117846563.

It is not an unprimeable number, because it can be changed into a prime (117846583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423770 + ... + 424047.

It is an arithmetic number, because the mean of its divisors is an integer number (29673630).

Almost surely, 2^117846563 is an apocalyptic number.

117846563 is a deficient number, since it is larger than the sum of its proper divisors (847957).

117846563 is an equidigital number, since it uses as much as digits as its factorization.

117846563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847956.

The product of its digits is 120960, while the sum is 41.

The square root of 117846563 is about 10855.7156834545. The cubic root of 117846563 is about 490.2741253875.

The spelling of 117846563 in words is "one hundred seventeen million, eight hundred forty-six thousand, five hundred sixty-three".