42885471 has 8 divisors (see below), whose sum is σ = 57312640. Its totient is φ = 28524312.

The previous prime is 42885457. The next prime is 42885473. The reversal of 42885471 is 17458824.

It is a happy number.

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

It is not a de Polignac number, because 42885471 - 2⁷ = 42885343 is a prime.

It is a super-3 number, since 3×42885471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42885473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14965 + ... + 17598.

It is an arithmetic number, because the mean of its divisors is an integer number (7164080).

Almost surely, 2^42885471 is an apocalyptic number.

42885471 is a deficient number, since it is larger than the sum of its proper divisors (14427169).

42885471 is a wasteful number, since it uses less digits than its factorization.

42885471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33005.

The product of its digits is 71680, while the sum is 39.

The square root of 42885471 is about 6548.6999473178. The cubic root of 42885471 is about 350.0284901978.

The spelling of 42885471 in words is "forty-two million, eight hundred eighty-five thousand, four hundred seventy-one".