28489675352 has 32 divisors (see below), whose sum is σ = 56728311120. Its totient is φ = 13367101440.

The previous prime is 28489675349. The next prime is 28489675363. The reversal of 28489675352 is 25357698482.

It is a junction number, because it is equal to n+sod(n) for n = 28489675291 and 28489675300.

It is a congruent number.

It is an unprimeable number.

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, 264974 + ... + 356637.

Almost surely, 2^28489675352 is an apocalyptic number.

It is an amenable number.

28489675352 is a deficient number, since it is larger than the sum of its proper divisors (28238635768).

28489675352 is a wasteful number, since it uses less digits than its factorization.

28489675352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621971 (or 621967 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 59.

The spelling of 28489675352 in words is "twenty-eight billion, four hundred eighty-nine million, six hundred seventy-five thousand, three hundred fifty-two".