8424770345 has 4 divisors (see below), whose sum is σ = 10109724420. Its totient is φ = 6739816272.

The previous prime is 8424770311. The next prime is 8424770363. The reversal of 8424770345 is 5430774248.

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 2032927744 + 6391842601 = 45088^2 + 79949^2 .

It is a cyclic number.

It is not a de Polignac number, because 8424770345 - 2⁶ = 8424770281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8424770296 and 8424770305.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 842477030 + ... + 842477039.

It is an arithmetic number, because the mean of its divisors is an integer number (2527431105).

Almost surely, 2^8424770345 is an apocalyptic number.

It is an amenable number.

8424770345 is a deficient number, since it is larger than the sum of its proper divisors (1684954075).

8424770345 is a wasteful number, since it uses less digits than its factorization.

8424770345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684954074.

The product of its (nonzero) digits is 752640, while the sum is 44.

The square root of 8424770345 is about 91786.5477344039. The cubic root of 8424770345 is about 2034.7888867760.

The spelling of 8424770345 in words is "eight billion, four hundred twenty-four million, seven hundred seventy thousand, three hundred forty-five".