42888859 has 16 divisors (see below), whose sum is σ = 48513024. Its totient is φ = 37620000.

The previous prime is 42888851. The next prime is 42888869. The reversal of 42888859 is 95888824.

42888859 = 943² + 944² + ... + 988².

It is a cyclic number.

It is not a de Polignac number, because 42888859 - 2³ = 42888851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42888851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56734 + ... + 57484.

It is an arithmetic number, because the mean of its divisors is an integer number (3032064).

Almost surely, 2^42888859 is an apocalyptic number.

42888859 is a deficient number, since it is larger than the sum of its proper divisors (5624165).

42888859 is a wasteful number, since it uses less digits than its factorization.

42888859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978.

The product of its digits is 1474560, while the sum is 52.

The square root of 42888859 is about 6548.9586195059. The cubic root of 42888859 is about 350.0377075020.

The spelling of 42888859 in words is "forty-two million, eight hundred eighty-eight thousand, eight hundred fifty-nine".