42879529 has 16 divisors (see below), whose sum is σ = 54020736. Its totient is φ = 33062400.

The previous prime is 42879511. The next prime is 42879533. The reversal of 42879529 is 92597824.

It is not a de Polignac number, because 42879529 - 2⁵ = 42879497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42879589) 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 15 ways as a sum of consecutive naturals, for example, 4599 + ... + 10339.

It is an arithmetic number, because the mean of its divisors is an integer number (3376296).

Almost surely, 2^42879529 is an apocalyptic number.

It is an amenable number.

42879529 is a deficient number, since it is larger than the sum of its proper divisors (11141207).

42879529 is a wasteful number, since it uses less digits than its factorization.

42879529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5856.

The product of its digits is 362880, while the sum is 46.

The square root of 42879529 is about 6548.2462537690. The cubic root of 42879529 is about 350.0123233756.

It can be divided in two parts, 428795 and 29, that added together give a palindrome (428824).

The spelling of 42879529 in words is "forty-two million, eight hundred seventy-nine thousand, five hundred twenty-nine".