855083647 has 16 divisors (see below), whose sum is σ = 973003680. Its totient is φ = 750509760.

The previous prime is 855083573. The next prime is 855083683. The reversal of 855083647 is 746380558.

It is not a de Polignac number, because 855083647 - 2¹¹ = 855081599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 855083597 and 855083606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855086647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27523 + ... + 49675.

It is an arithmetic number, because the mean of its divisors is an integer number (60812730).

Almost surely, 2^855083647 is an apocalyptic number.

855083647 is a deficient number, since it is larger than the sum of its proper divisors (117920033).

855083647 is a wasteful number, since it uses less digits than its factorization.

855083647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22215 (or 22193 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 855083647 is about 29241.8133329655. The cubic root of 855083647 is about 949.1529465315.

The spelling of 855083647 in words is "eight hundred fifty-five million, eighty-three thousand, six hundred forty-seven".