285808735785434 has 8 divisors (see below), whose sum is σ = 429572248176000. Its totient is φ = 142617986393436.

The previous prime is 285808735785431. The next prime is 285808735785473. The reversal of 285808735785434 is 434587537808582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (285808735785431) 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, 143190748394 + ... + 143190750389.

It is an arithmetic number, because the mean of its divisors is an integer number (53696531022000).

Almost surely, 2^{285808735785434} is an apocalyptic number.

285808735785434 is a deficient number, since it is larger than the sum of its proper divisors (143763512390566).

285808735785434 is a wasteful number, since it uses less digits than its factorization.

285808735785434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286381499284.

The product of its (nonzero) digits is 7225344000, while the sum is 77.

The spelling of 285808735785434 in words is "two hundred eighty-five trillion, eight hundred eight billion, seven hundred thirty-five million, seven hundred eighty-five thousand, four hundred thirty-four".