28760768450 has 12 divisors (see below), whose sum is σ = 53495029410. Its totient is φ = 11504307360.

The previous prime is 28760768441. The next prime is 28760768497. The reversal of 28760768450 is 5486706782.

It can be written as a sum of positive squares in 3 ways, for example, as 15015316369 + 13745452081 = 122537^2 + 117241^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28760768392 and 28760768401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 287607635 + ... + 287607734.

Almost surely, 2^28760768450 is an apocalyptic number.

28760768450 is a deficient number, since it is larger than the sum of its proper divisors (24734260960).

28760768450 is a wasteful number, since it uses less digits than its factorization.

28760768450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575215381 (or 575215376 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 28760768450 in words is "twenty-eight billion, seven hundred sixty million, seven hundred sixty-eight thousand, four hundred fifty".