42258887 has 12 divisors (see below), whose sum is σ = 48055560. Its totient is φ = 37089360.

The previous prime is 42258877. The next prime is 42258893. The reversal of 42258887 is 78885224.

It is not a de Polignac number, because 42258887 - 2⁴ = 42258871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42258877) 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, 2513 + ... + 9530.

It is an arithmetic number, because the mean of its divisors is an integer number (4004630).

Almost surely, 2^42258887 is an apocalyptic number.

42258887 is a deficient number, since it is larger than the sum of its proper divisors (5796673).

42258887 is a wasteful number, since it uses less digits than its factorization.

42258887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12094 (or 12083 counting only the distinct ones).

The product of its digits is 286720, while the sum is 44.

The square root of 42258887 is about 6500.6835794399. The cubic root of 42258887 is about 348.3154068952.

The spelling of 42258887 in words is "forty-two million, two hundred fifty-eight thousand, eight hundred eighty-seven".