455988789 has 12 divisors (see below), whose sum is σ = 658912800. Its totient is φ = 303871464.

The previous prime is 455988763. The next prime is 455988821. The reversal of 455988789 is 987889554.

It is a happy number.

455988789 is a `hidden beast` number, since 4 + 559 + 8 + 8 + 78 + 9 = 666.

It is not a de Polignac number, because 455988789 - 2¹⁵ = 455956021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455988749) 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 11 ways as a sum of consecutive naturals, for example, 17832 + ... + 35070.

It is an arithmetic number, because the mean of its divisors is an integer number (54909400).

Almost surely, 2^455988789 is an apocalyptic number.

It is an amenable number.

455988789 is a deficient number, since it is larger than the sum of its proper divisors (202924011).

455988789 is a wasteful number, since it uses less digits than its factorization.

455988789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20184 (or 20181 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 63.

The square root of 455988789 is about 21353.8940008608. The cubic root of 455988789 is about 769.6939183753.

The spelling of 455988789 in words is "four hundred fifty-five million, nine hundred eighty-eight thousand, seven hundred eighty-nine".