8294145705 has 12 divisors (see below), whose sum is σ = 14376519300. Its totient is φ = 4423544352.

The previous prime is 8294145703. The next prime is 8294145709. The reversal of 8294145705 is 5075414928.

It can be written as a sum of positive squares in 2 ways, for example, as 5307413904 + 2986731801 = 72852^2 + 54651^2 .

It is not a de Polignac number, because 8294145705 - 2¹ = 8294145703 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 184314349 = 8294145705 / (8 + 2 + 9 + 4 + 1 + 4 + 5 + 7 + 0 + 5).

It is not an unprimeable number, because it can be changed into a prime (8294145701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92157130 + ... + 92157219.

It is an arithmetic number, because the mean of its divisors is an integer number (1198043275).

Almost surely, 2^8294145705 is an apocalyptic number.

It is an amenable number.

8294145705 is a deficient number, since it is larger than the sum of its proper divisors (6082373595).

8294145705 is a wasteful number, since it uses less digits than its factorization.

8294145705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184314360 (or 184314357 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 8294145705 is about 91072.2005059722. The cubic root of 8294145705 is about 2024.2177097159.

The spelling of 8294145705 in words is "eight billion, two hundred ninety-four million, one hundred forty-five thousand, seven hundred five".