8259782745 has 16 divisors (see below), whose sum is σ = 13312120320. Its totient is φ = 4373061504.

The previous prime is 8259782731. The next prime is 8259782777. The reversal of 8259782745 is 5472879528.

It is not a de Polignac number, because 8259782745 - 2⁶ = 8259782681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2007625 + ... + 2011734.

It is an arithmetic number, because the mean of its divisors is an integer number (832007520).

Almost surely, 2^8259782745 is an apocalyptic number.

It is an amenable number.

8259782745 is a deficient number, since it is larger than the sum of its proper divisors (5052337575).

8259782745 is a wasteful number, since it uses less digits than its factorization.

8259782745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019504.

The product of its digits is 11289600, while the sum is 57.

The square root of 8259782745 is about 90883.3469069004. The cubic root of 8259782745 is about 2021.4183699964.

The spelling of 8259782745 in words is "eight billion, two hundred fifty-nine million, seven hundred eighty-two thousand, seven hundred forty-five".