877213 has 2 divisors, whose sum is σ = 877214. Its totient is φ = 877212.

The previous prime is 877199. The next prime is 877223. The reversal of 877213 is 312778.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 870489 + 6724 = 933^2 + 82^2 .

It is a cyclic number.

It is not a de Polignac number, because 877213 - 2⁵ = 877181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (877223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 438606 + 438607.

It is an arithmetic number, because the mean of its divisors is an integer number (438607).

2⁸⁷⁷²¹³ is an apocalyptic number.

It is an amenable number.

877213 is a deficient number, since it is larger than the sum of its proper divisors (1).

877213 is an equidigital number, since it uses as much as digits as its factorization.

877213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2352, while the sum is 28.

The square root of 877213 is about 936.5964979648. The cubic root of 877213 is about 95.7271258591.

The spelling of 877213 in words is "eight hundred seventy-seven thousand, two hundred thirteen".