873431528 has 16 divisors (see below), whose sum is σ = 1677628260. Its totient is φ = 426064000.

The previous prime is 873431521. The next prime is 873431617. The reversal of 873431528 is 825134378.

It can be written as a sum of positive squares in 2 ways, for example, as 605061604 + 268369924 = 24598^2 + 16382^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (873431521) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1331123 + ... + 1331778.

Almost surely, 2^873431528 is an apocalyptic number.

It is an amenable number.

873431528 is a deficient number, since it is larger than the sum of its proper divisors (804196732).

873431528 is a wasteful number, since it uses less digits than its factorization.

873431528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662948 (or 2662944 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 873431528 is about 29553.8750081948. The cubic root of 873431528 is about 955.8937488050.

The spelling of 873431528 in words is "eight hundred seventy-three million, four hundred thirty-one thousand, five hundred twenty-eight".