874404477 has 10 divisors (see below), whose sum is σ = 1306209278. Its totient is φ = 582936264.

The previous prime is 874404473. The next prime is 874404481. The reversal of 874404477 is 774404478.

It is an interprime number because it is at equal distance from previous prime (874404473) and next prime (874404481).

It can be written as a sum of positive squares in only one way, i.e., 761428836 + 112975641 = 27594^2 + 10629^2 .

It is not a de Polignac number, because 874404477 - 2² = 874404473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874404473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5397478 + ... + 5397639.

Almost surely, 2^874404477 is an apocalyptic number.

It is an amenable number.

874404477 is a deficient number, since it is larger than the sum of its proper divisors (431804801).

874404477 is a wasteful number, since it uses less digits than its factorization.

874404477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10795129 (or 10795120 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 45.

The square root of 874404477 is about 29570.3310262161. The cubic root of 874404477 is about 956.2485527083.

Subtracting from 874404477 its reverse (774404478), we obtain a palindrome (99999999).

The spelling of 874404477 in words is "eight hundred seventy-four million, four hundred four thousand, four hundred seventy-seven".