874779 has 16 divisors (see below), whose sum is σ = 1248000. Its totient is φ = 543456.

The previous prime is 874777. The next prime is 874799. The reversal of 874779 is 977478.

It is not a de Polignac number, because 874779 - 2¹ = 874777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 874779.

It is not an unprimeable number, because it can be changed into a prime (874771) 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 in 15 ways as a sum of consecutive naturals, for example, 5797 + ... + 5945.

It is an arithmetic number, because the mean of its divisors is an integer number (78000).

2⁸⁷⁴⁷⁷⁹ is an apocalyptic number.

874779 is a deficient number, since it is larger than the sum of its proper divisors (373221).

874779 is a wasteful number, since it uses less digits than its factorization.

874779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274.

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

The square root of 874779 is about 935.2962097646. The cubic root of 874779 is about 95.6385059312.

It can be divided in two parts, 874 and 779, that added together give a triangular number (1653 = T₅₇).

The spelling of 874779 in words is "eight hundred seventy-four thousand, seven hundred seventy-nine".