874778 has 4 divisors (see below), whose sum is σ = 1312170. Its totient is φ = 437388.

The previous prime is 874777. The next prime is 874799. The reversal of 874778 is 877478.

It is a happy number.

874778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 833569 + 41209 = 913^2 + 203^2 .

It is not an unprimeable number, because it can be changed into a prime (874771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218693 + ... + 218696.

2⁸⁷⁴⁷⁷⁸ is an apocalyptic number.

874778 is a deficient number, since it is larger than the sum of its proper divisors (437392).

874778 is a wasteful number, since it uses less digits than its factorization.

874778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437391.

The product of its digits is 87808, while the sum is 41.

The square root of 874778 is about 935.2956751744. The cubic root of 874778 is about 95.6384694883.

The spelling of 874778 in words is "eight hundred seventy-four thousand, seven hundred seventy-eight".