847860056451 has 8 divisors (see below), whose sum is σ = 1256088972560. Its totient is φ = 565240037616.

The previous prime is 847860056423. The next prime is 847860056479. The reversal of 847860056451 is 154650068748.

847860056451 is a `hidden beast` number, since 8 + 4 + 78 + 6 + 0 + 0 + 564 + 5 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (847860056423) and next prime (847860056479).

It is not a de Polignac number, because 847860056451 - 2³⁸ = 572982149507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (847860056551) 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, 15701112130 + ... + 15701112183.

It is an arithmetic number, because the mean of its divisors is an integer number (157011121570).

Almost surely, 2^847860056451 is an apocalyptic number.

847860056451 is a deficient number, since it is larger than the sum of its proper divisors (408228916109).

847860056451 is a wasteful number, since it uses less digits than its factorization.

847860056451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31402224322 (or 31402224316 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 847860056451 in words is "eight hundred forty-seven billion, eight hundred sixty million, fifty-six thousand, four hundred fifty-one".