877479 has 4 divisors (see below), whose sum is σ = 1169976. Its totient is φ = 584984.

The previous prime is 877469. The next prime is 877531. The reversal of 877479 is 974778.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 877479 - 2⁴ = 877463 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 877479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (877469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146244 + ... + 146249.

It is an arithmetic number, because the mean of its divisors is an integer number (292494).

2⁸⁷⁷⁴⁷⁹ is an apocalyptic number.

877479 is a deficient number, since it is larger than the sum of its proper divisors (292497).

877479 is a wasteful number, since it uses less digits than its factorization.

877479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292496.

The product of its digits is 98784, while the sum is 42.

The square root of 877479 is about 936.7384907219. The cubic root of 877479 is about 95.7368007583.

The spelling of 877479 in words is "eight hundred seventy-seven thousand, four hundred seventy-nine".