427258868 has 12 divisors (see below), whose sum is σ = 765939972. Its totient is φ = 208418880.

The previous prime is 427258849. The next prime is 427258877. The reversal of 427258868 is 868852724.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 157051024 + 270207844 = 12532^2 + 16438^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302455 + ... + 1302782.

It is an arithmetic number, because the mean of its divisors is an integer number (63828331).

Almost surely, 2^427258868 is an apocalyptic number.

It is an amenable number.

427258868 is a deficient number, since it is larger than the sum of its proper divisors (338681104).

427258868 is a wasteful number, since it uses less digits than its factorization.

427258868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605282 (or 2605280 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 50.

The square root of 427258868 is about 20670.2411209932. The cubic root of 427258868 is about 753.1769638290.

The spelling of 427258868 in words is "four hundred twenty-seven million, two hundred fifty-eight thousand, eight hundred sixty-eight".