285876873 has 24 divisors (see below), whose sum is σ = 422509568. Its totient is φ = 186211872.

The previous prime is 285876863. The next prime is 285876883. The reversal of 285876873 is 378678582.

It is an interprime number because it is at equal distance from previous prime (285876863) and next prime (285876883).

It is not a de Polignac number, because 285876873 - 2¹⁴ = 285860489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285876803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74715 + ... + 78447.

Almost surely, 2^285876873 is an apocalyptic number.

It is an amenable number.

285876873 is a deficient number, since it is larger than the sum of its proper divisors (136632695).

285876873 is a wasteful number, since it uses less digits than its factorization.

285876873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3933 (or 3930 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 285876873 is about 16907.8938073315. The cubic root of 285876873 is about 658.7586653717.

The spelling of 285876873 in words is "two hundred eighty-five million, eight hundred seventy-six thousand, eight hundred seventy-three".