42859287852 has 12 divisors (see below), whose sum is σ = 100005005016. Its totient is φ = 14286429280.

The previous prime is 42859287841. The next prime is 42859287871. The reversal of 42859287852 is 25878295824.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785803649 + ... + 1785803672.

It is an arithmetic number, because the mean of its divisors is an integer number (8333750418).

Almost surely, 2^42859287852 is an apocalyptic number.

It is an amenable number.

42859287852 is an abundant number, since it is smaller than the sum of its proper divisors (57145717164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42859287852 is a wasteful number, since it uses less digits than its factorization.

42859287852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571607328 (or 3571607326 counting only the distinct ones).

The product of its digits is 25804800, while the sum is 60.

The spelling of 42859287852 in words is "forty-two billion, eight hundred fifty-nine million, two hundred eighty-seven thousand, eight hundred fifty-two".