42858566 has 8 divisors (see below), whose sum is σ = 67671480. Its totient is φ = 20301408.

The previous prime is 42858553. The next prime is 42858583. The reversal of 42858566 is 66585824.

42858566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563891 + ... + 563966.

It is an arithmetic number, because the mean of its divisors is an integer number (8458935).

Almost surely, 2^42858566 is an apocalyptic number.

42858566 is a deficient number, since it is larger than the sum of its proper divisors (24812914).

42858566 is a wasteful number, since it uses less digits than its factorization.

42858566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127878.

The product of its digits is 460800, while the sum is 44.

The square root of 42858566 is about 6546.6454005086. The cubic root of 42858566 is about 349.9552759179.

The spelling of 42858566 in words is "forty-two million, eight hundred fifty-eight thousand, five hundred sixty-six".