856056303 has 8 divisors (see below), whose sum is σ = 1268231600. Its totient is φ = 570704184.

The previous prime is 856056283. The next prime is 856056319. The reversal of 856056303 is 303650658.

It is not a de Polignac number, because 856056303 - 2¹² = 856052207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856056353) 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, 15852868 + ... + 15852921.

It is an arithmetic number, because the mean of its divisors is an integer number (158528950).

Almost surely, 2^856056303 is an apocalyptic number.

856056303 is a deficient number, since it is larger than the sum of its proper divisors (412175297).

856056303 is a wasteful number, since it uses less digits than its factorization.

856056303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31705798 (or 31705792 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 856056303 is about 29258.4398592953. The cubic root of 856056303 is about 949.5126967098.

The spelling of 856056303 in words is "eight hundred fifty-six million, fifty-six thousand, three hundred three".