875663 has 2 divisors, whose sum is σ = 875664. Its totient is φ = 875662.

The previous prime is 875659. The next prime is 875681. The reversal of 875663 is 366578.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 875663 - 2² = 875659 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (875683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437831 + 437832.

It is an arithmetic number, because the mean of its divisors is an integer number (437832).

2⁸⁷⁵⁶⁶³ is an apocalyptic number.

875663 is a deficient number, since it is larger than the sum of its proper divisors (1).

875663 is an equidigital number, since it uses as much as digits as its factorization.

875663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 875663 is about 935.7686679944. The cubic root of 875663 is about 95.6707106277.

The spelling of 875663 in words is "eight hundred seventy-five thousand, six hundred sixty-three".