42611859 has 8 divisors (see below), whose sum is σ = 63128720. Its totient is φ = 28407888.

The previous prime is 42611837. The next prime is 42611861. The reversal of 42611859 is 95811624.

It is not a de Polignac number, because 42611859 - 2⁸ = 42611603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42611819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789082 + ... + 789135.

It is an arithmetic number, because the mean of its divisors is an integer number (7891090).

Almost surely, 2^42611859 is an apocalyptic number.

42611859 is a deficient number, since it is larger than the sum of its proper divisors (20516861).

42611859 is a wasteful number, since it uses less digits than its factorization.

42611859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578226 (or 1578220 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 42611859 is about 6527.7759612291. The cubic root of 42611859 is about 349.2825001989.

The spelling of 42611859 in words is "forty-two million, six hundred eleven thousand, eight hundred fifty-nine".