428654799 has 6 divisors (see below), whose sum is σ = 619168056. Its totient is φ = 285769860.

The previous prime is 428654797. The next prime is 428654803. The reversal of 428654799 is 997456824.

428654799 is a `hidden beast` number, since 4 + 2 + 8 + 6 + 547 + 99 = 666.

It is not a de Polignac number, because 428654799 - 2¹ = 428654797 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428654797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23814147 + ... + 23814164.

It is an arithmetic number, because the mean of its divisors is an integer number (103194676).

Almost surely, 2^428654799 is an apocalyptic number.

428654799 is a deficient number, since it is larger than the sum of its proper divisors (190513257).

428654799 is a wasteful number, since it uses less digits than its factorization.

428654799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47628317 (or 47628314 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 428654799 is about 20703.9802695037. The cubic root of 428654799 is about 753.9963266759.

The spelling of 428654799 in words is "four hundred twenty-eight million, six hundred fifty-four thousand, seven hundred ninety-nine".