9782256865 has 8 divisors (see below), whose sum is σ = 11745074880. Its totient is φ = 7821561072.

The previous prime is 9782256857. The next prime is 9782256881. The reversal of 9782256865 is 5686522879.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9782256865 - 2³ = 9782256857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520395 + ... + 538864.

It is an arithmetic number, because the mean of its divisors is an integer number (1468134360).

Almost surely, 2^9782256865 is an apocalyptic number.

It is an amenable number.

9782256865 is a deficient number, since it is larger than the sum of its proper divisors (1962818015).

9782256865 is a wasteful number, since it uses less digits than its factorization.

9782256865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061111.

The product of its digits is 14515200, while the sum is 58.

The square root of 9782256865 is about 98905.2924013675. The cubic root of 9782256865 is about 2138.6826889252.

The spelling of 9782256865 in words is "nine billion, seven hundred eighty-two million, two hundred fifty-six thousand, eight hundred sixty-five".