285743428886 has 4 divisors (see below), whose sum is σ = 428615143332. Its totient is φ = 142871714442.

The previous prime is 285743428879. The next prime is 285743428921. The reversal of 285743428886 is 688824347582.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 71435857220 + ... + 71435857223.

It is an arithmetic number, because the mean of its divisors is an integer number (107153785833).

Almost surely, 2^285743428886 is an apocalyptic number.

285743428886 is a deficient number, since it is larger than the sum of its proper divisors (142871714446).

285743428886 is a wasteful number, since it uses less digits than its factorization.

285743428886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142871714445.

The product of its digits is 165150720, while the sum is 65.

The spelling of 285743428886 in words is "two hundred eighty-five billion, seven hundred forty-three million, four hundred twenty-eight thousand, eight hundred eighty-six".