285890318732 has 6 divisors (see below), whose sum is σ = 500308057788. Its totient is φ = 142945159364.

The previous prime is 285890318677. The next prime is 285890318767. The reversal of 285890318732 is 237813098582.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35736289838 + ... + 35736289845.

It is an arithmetic number, because the mean of its divisors is an integer number (83384676298).

Almost surely, 2^285890318732 is an apocalyptic number.

It is an amenable number.

285890318732 is a deficient number, since it is larger than the sum of its proper divisors (214417739056).

285890318732 is a wasteful number, since it uses less digits than its factorization.

285890318732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71472579687 (or 71472579685 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 285890318732 in words is "two hundred eighty-five billion, eight hundred ninety million, three hundred eighteen thousand, seven hundred thirty-two".