8394226705 has 4 divisors (see below), whose sum is σ = 10073072052. Its totient is φ = 6715381360.

The previous prime is 8394226681. The next prime is 8394226747. The reversal of 8394226705 is 5076224938.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3252763089 + 5141463616 = 57033^2 + 71704^2 .

It is not a de Polignac number, because 8394226705 - 2²¹ = 8392129553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 839422666 + ... + 839422675.

It is an arithmetic number, because the mean of its divisors is an integer number (2518268013).

Almost surely, 2^8394226705 is an apocalyptic number.

It is an amenable number.

8394226705 is a deficient number, since it is larger than the sum of its proper divisors (1678845347).

8394226705 is a wasteful number, since it uses less digits than its factorization.

8394226705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678845346.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 8394226705 is about 91620.0125791303. The cubic root of 8394226705 is about 2032.3268961010.

The spelling of 8394226705 in words is "eight billion, three hundred ninety-four million, two hundred twenty-six thousand, seven hundred five".