428858255 has 8 divisors (see below), whose sum is σ = 588148512. Its totient is φ = 294074208.

The previous prime is 428858249. The next prime is 428858257. The reversal of 428858255 is 552858824.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428858255 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428858257) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6126512 + ... + 6126581.

It is an arithmetic number, because the mean of its divisors is an integer number (73518564).

Almost surely, 2^428858255 is an apocalyptic number.

428858255 is a deficient number, since it is larger than the sum of its proper divisors (159290257).

428858255 is a wasteful number, since it uses less digits than its factorization.

428858255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12253105.

The product of its digits is 1024000, while the sum is 47.

The square root of 428858255 is about 20708.8931379734. The cubic root of 428858255 is about 754.1155996611.

The spelling of 428858255 in words is "four hundred twenty-eight million, eight hundred fifty-eight thousand, two hundred fifty-five".