876553 has 6 divisors (see below), whose sum is σ = 916874. Its totient is φ = 837936.

The previous prime is 876529. The next prime is 876569. The reversal of 876553 is 355678.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 685584 + 190969 = 828^2 + 437^2 .

It is not a de Polignac number, because 876553 - 2⁹ = 876041 is a prime.

It is a Duffinian number.

Its product of digits (25200) is a multiple of the sum of its prime divisors (1680).

It is a plaindrome in base 15.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (876523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 300 + ... + 1357.

2⁸⁷⁶⁵⁵³ is an apocalyptic number.

It is an amenable number.

876553 is a deficient number, since it is larger than the sum of its proper divisors (40321).

876553 is a wasteful number, since it uses less digits than its factorization.

876553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703 (or 1680 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 876553 is about 936.2440921042. The cubic root of 876553 is about 95.7031120203.

The spelling of 876553 in words is "eight hundred seventy-six thousand, five hundred fifty-three".