860826857 has 8 divisors (see below), whose sum is σ = 961988832. Its totient is φ = 763482400.

The previous prime is 860826851. The next prime is 860826907. The reversal of 860826857 is 758628068.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-860826857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (860826851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953903 + ... + 954804.

It is an arithmetic number, because the mean of its divisors is an integer number (120248604).

Almost surely, 2^860826857 is an apocalyptic number.

It is an amenable number.

860826857 is a deficient number, since it is larger than the sum of its proper divisors (101161975).

860826857 is a wasteful number, since it uses less digits than its factorization.

860826857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908759.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 860826857 is about 29339.8510050750. The cubic root of 860826857 is about 951.2732169360.

The spelling of 860826857 in words is "eight hundred sixty million, eight hundred twenty-six thousand, eight hundred fifty-seven".