874505647 has 4 divisors (see below), whose sum is σ = 920532280. Its totient is φ = 828479016.

The previous prime is 874505627. The next prime is 874505657. The reversal of 874505647 is 746505478.

It is a happy number.

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 874505647 - 2⁷ = 874505519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 874505597 and 874505606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874505627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23013288 + ... + 23013325.

It is an arithmetic number, because the mean of its divisors is an integer number (230133070).

Almost surely, 2^874505647 is an apocalyptic number.

874505647 is a deficient number, since it is larger than the sum of its proper divisors (46026633).

874505647 is a wasteful number, since it uses less digits than its factorization.

874505647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46026632.

The product of its (nonzero) digits is 940800, while the sum is 46.

The square root of 874505647 is about 29572.0416440935. The cubic root of 874505647 is about 956.2854311163.

It can be divided in two parts, 874 and 505647, that added together give a triangular number (506521 = T₁₀₀₆).

The spelling of 874505647 in words is "eight hundred seventy-four million, five hundred five thousand, six hundred forty-seven".