256086047 has 8 divisors (see below), whose sum is σ = 308073600. Its totient is φ = 207949464.

The previous prime is 256086031. The next prime is 256086049. The reversal of 256086047 is 740680652.

It is a happy number.

256086047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 256086047 - 2⁴ = 256086031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 256086047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256086049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 962597 + ... + 962862.

It is an arithmetic number, because the mean of its divisors is an integer number (38509200).

Almost surely, 2^256086047 is an apocalyptic number.

256086047 is a deficient number, since it is larger than the sum of its proper divisors (51987553).

256086047 is a wasteful number, since it uses less digits than its factorization.

256086047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925485.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 256086047 is about 16002.6887428332. The cubic root of 256086047 is about 635.0315540151.

The spelling of 256086047 in words is "two hundred fifty-six million, eighty-six thousand, forty-seven".