28719853248 has 56 divisors (see below), whose sum is σ = 76001979568. Its totient is φ = 9571516416.

The previous prime is 28719853181. The next prime is 28719853271. The reversal of 28719853248 is 84235891782.

It is a super-2 number, since 2×28719853248² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1409340 + ... + 1429572.

Almost surely, 2^28719853248 is an apocalyptic number.

It is an amenable number.

28719853248 is an abundant number, since it is smaller than the sum of its proper divisors (47282126320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28719853248 is a wasteful number, since it uses less digits than its factorization.

28719853248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27641 (or 27631 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 57.

The spelling of 28719853248 in words is "twenty-eight billion, seven hundred nineteen million, eight hundred fifty-three thousand, two hundred forty-eight".