28454835488 has 12 divisors (see below), whose sum is σ = 56020457430. Its totient is φ = 14227417728.

The previous prime is 28454835463. The next prime is 28454835529. The reversal of 28454835488 is 88453845482.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26144302864 + 2310532624 = 161692^2 + 48068^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444606773 + ... + 444606836.

Almost surely, 2^28454835488 is an apocalyptic number.

It is an amenable number.

28454835488 is a deficient number, since it is larger than the sum of its proper divisors (27565621942).

28454835488 is an equidigital number, since it uses as much as digits as its factorization.

28454835488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889213619 (or 889213611 counting only the distinct ones).

The product of its digits is 39321600, while the sum is 59.

The spelling of 28454835488 in words is "twenty-eight billion, four hundred fifty-four million, eight hundred thirty-five thousand, four hundred eighty-eight".