874221985 has 48 divisors (see below), whose sum is σ = 1330451136. Its totient is φ = 546521472.

The previous prime is 874221941. The next prime is 874222009. The reversal of 874221985 is 589122478.

It is not a de Polignac number, because 874221985 - 2¹¹ = 874219937 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 262702 + ... + 266008.

It is an arithmetic number, because the mean of its divisors is an integer number (27717732).

Almost surely, 2^874221985 is an apocalyptic number.

It is an amenable number.

874221985 is a deficient number, since it is larger than the sum of its proper divisors (456229151).

874221985 is a wasteful number, since it uses less digits than its factorization.

874221985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422 (or 3415 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 874221985 is about 29567.2451371446. The cubic root of 874221985 is about 956.1820236755.

The spelling of 874221985 in words is "eight hundred seventy-four million, two hundred twenty-one thousand, nine hundred eighty-five".