877422 has 32 divisors (see below), whose sum is σ = 2161152. Its totient is φ = 231264.

The previous prime is 877411. The next prime is 877423. The reversal of 877422 is 224778.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 877422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (877423) by changing a digit.

877422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258 + ... + 1349.

It is an arithmetic number, because the mean of its divisors is an integer number (67536).

2⁸⁷⁷⁴²² is an apocalyptic number.

877422 is an abundant number, since it is smaller than the sum of its proper divisors (1283730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

877422 is a wasteful number, since it uses less digits than its factorization.

877422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632.

The product of its digits is 6272, while the sum is 30.

The square root of 877422 is about 936.7080655145. The cubic root of 877422 is about 95.7347277303.

The spelling of 877422 in words is "eight hundred seventy-seven thousand, four hundred twenty-two".