42888975 has 12 divisors (see below), whose sum is σ = 70909896. Its totient is φ = 22874080.

The previous prime is 42888973. The next prime is 42888991. The reversal of 42888975 is 57988824.

It is a happy number.

It is not a de Polignac number, because 42888975 - 2¹ = 42888973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42888971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285852 + ... + 286001.

It is an arithmetic number, because the mean of its divisors is an integer number (5909158).

Almost surely, 2^42888975 is an apocalyptic number.

42888975 is a deficient number, since it is larger than the sum of its proper divisors (28020921).

42888975 is a wasteful number, since it uses less digits than its factorization.

42888975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571866 (or 571861 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 51.

The square root of 42888975 is about 6548.9674758698. The cubic root of 42888975 is about 350.0380230800.

The spelling of 42888975 in words is "forty-two million, eight hundred eighty-eight thousand, nine hundred seventy-five".