874451647 has 4 divisors (see below), whose sum is σ = 880320600. Its totient is φ = 868582696.

The previous prime is 874451603. The next prime is 874451659. The reversal of 874451647 is 746154478.

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 874451647 - 2²⁷ = 740233919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 874451597 and 874451606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874461647) 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 3 ways as a sum of consecutive naturals, for example, 2934253 + ... + 2934550.

It is an arithmetic number, because the mean of its divisors is an integer number (220080150).

Almost surely, 2^874451647 is an apocalyptic number.

874451647 is a deficient number, since it is larger than the sum of its proper divisors (5868953).

874451647 is a wasteful number, since it uses less digits than its factorization.

874451647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5868952.

The product of its digits is 752640, while the sum is 46.

The square root of 874451647 is about 29571.1286054489. The cubic root of 874451647 is about 956.2657474332.

The spelling of 874451647 in words is "eight hundred seventy-four million, four hundred fifty-one thousand, six hundred forty-seven".