285013773 has 24 divisors (see below), whose sum is σ = 450605376. Its totient is φ = 172161600.

The previous prime is 285013759. The next prime is 285013787. The reversal of 285013773 is 377310582.

285013773 is a `hidden beast` number, since 285 + 0 + 1 + 377 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (285013759) and next prime (285013787).

It is not a de Polignac number, because 285013773 - 2²⁶ = 217904909 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285013873) 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 23 ways as a sum of consecutive naturals, for example, 26161 + ... + 35417.

It is an arithmetic number, because the mean of its divisors is an integer number (18775224).

Almost surely, 2^285013773 is an apocalyptic number.

It is an amenable number.

285013773 is a deficient number, since it is larger than the sum of its proper divisors (165591603).

285013773 is a wasteful number, since it uses less digits than its factorization.

285013773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9585 (or 9582 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 285013773 is about 16882.3509322606. The cubic root of 285013773 is about 658.0950372855.

The spelling of 285013773 in words is "two hundred eighty-five million, thirteen thousand, seven hundred seventy-three".