885679 has 2 divisors, whose sum is σ = 885680. Its totient is φ = 885678.

The previous prime is 885623. The next prime is 885713. The reversal of 885679 is 976588.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 885679 - 2⁷ = 885551 is a prime.

885679 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825679) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442839 + 442840.

It is an arithmetic number, because the mean of its divisors is an integer number (442840).

2⁸⁸⁵⁶⁷⁹ is an apocalyptic number.

885679 is a deficient number, since it is larger than the sum of its proper divisors (1).

885679 is an equidigital number, since it uses as much as digits as its factorization.

885679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 43.

The square root of 885679 is about 941.1052013457. The cubic root of 885679 is about 96.0340952389.

Subtracting 885679 from its reverse (976588), we obtain a palindrome (90909).

The spelling of 885679 in words is "eight hundred eighty-five thousand, six hundred seventy-nine".