285063452687 has 4 divisors (see below), whose sum is σ = 306991410600. Its totient is φ = 263135494776.

The previous prime is 285063452677. The next prime is 285063452701. The reversal of 285063452687 is 786254360582.

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 285063452687 - 2⁴ = 285063452671 is a prime.

It is a super-2 number, since 2×285063452687² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285063452677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10963978937 + ... + 10963978962.

It is an arithmetic number, because the mean of its divisors is an integer number (76747852650).

Almost surely, 2^285063452687 is an apocalyptic number.

285063452687 is a deficient number, since it is larger than the sum of its proper divisors (21927957913).

285063452687 is a wasteful number, since it uses less digits than its factorization.

285063452687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21927957912.

The product of its (nonzero) digits is 19353600, while the sum is 56.

The spelling of 285063452687 in words is "two hundred eighty-five billion, sixty-three million, four hundred fifty-two thousand, six hundred eighty-seven".