428457263 has 8 divisors (see below), whose sum is σ = 462142128. Its totient is φ = 394876224.

The previous prime is 428457199. The next prime is 428457283. The reversal of 428457263 is 362754824.

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

It is a cyclic number.

It is not a de Polignac number, because 428457263 - 2⁶ = 428457199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 428457263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428457283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17270 + ... + 33987.

It is an arithmetic number, because the mean of its divisors is an integer number (57767766).

Almost surely, 2^428457263 is an apocalyptic number.

428457263 is a deficient number, since it is larger than the sum of its proper divisors (33684865).

428457263 is a wasteful number, since it uses less digits than its factorization.

428457263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51913.

The product of its digits is 322560, while the sum is 41.

The square root of 428457263 is about 20699.2092361037. The cubic root of 428457263 is about 753.8804880856.

The spelling of 428457263 in words is "four hundred twenty-eight million, four hundred fifty-seven thousand, two hundred sixty-three".