856045015047 has 12 divisors (see below), whose sum is σ = 1236684231120. Its totient is φ = 570616015968.

The previous prime is 856045015039. The next prime is 856045015079. The reversal of 856045015047 is 740510540658.

856045015047 is a `hidden beast` number, since 8 + 5 + 6 + 0 + 450 + 150 + 47 = 666.

It is not a de Polignac number, because 856045015047 - 2³ = 856045015039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 856045014993 and 856045015011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856045015027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6654478 + ... + 6781899.

It is an arithmetic number, because the mean of its divisors is an integer number (103057019260).

Almost surely, 2^856045015047 is an apocalyptic number.

856045015047 is a deficient number, since it is larger than the sum of its proper divisors (380639216073).

856045015047 is a wasteful number, since it uses less digits than its factorization.

856045015047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13443462 (or 13443459 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 856045015047 in words is "eight hundred fifty-six billion, forty-five million, fifteen thousand, forty-seven".