875647 has 2 divisors, whose sum is σ = 875648. Its totient is φ = 875646.

The previous prime is 875629. The next prime is 875659. The reversal of 875647 is 746578.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 875647 - 2⁷ = 875519 is a prime.

It is a super-3 number, since 3×875647³ = 2014227156733395069, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (875617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437823 + 437824.

It is an arithmetic number, because the mean of its divisors is an integer number (437824).

2⁸⁷⁵⁶⁴⁷ is an apocalyptic number.

875647 is a deficient number, since it is larger than the sum of its proper divisors (1).

875647 is an equidigital number, since it uses as much as digits as its factorization.

875647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 37.

The square root of 875647 is about 935.7601188339. The cubic root of 875647 is about 95.6701279300.

It can be divided in two parts, 87564 and 7, that added together give a triangular number (87571 = T₄₁₈).

The spelling of 875647 in words is "eight hundred seventy-five thousand, six hundred forty-seven".