28828517468 has 24 divisors (see below), whose sum is σ = 50762557440. Its totient is φ = 14325172400.

The previous prime is 28828517453. The next prime is 28828517507. The reversal of 28828517468 is 86471582882.

It is a happy number.

It is a super-2 number, since 2×28828517468² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450893 + ... + 510843.

It is an arithmetic number, because the mean of its divisors is an integer number (2115106560).

Almost surely, 2^28828517468 is an apocalyptic number.

It is an amenable number.

28828517468 is a deficient number, since it is larger than the sum of its proper divisors (21934039972).

28828517468 is a wasteful number, since it uses less digits than its factorization.

28828517468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60697 (or 60695 counting only the distinct ones).

The product of its digits is 13762560, while the sum is 59.

The spelling of 28828517468 in words is "twenty-eight billion, eight hundred twenty-eight million, five hundred seventeen thousand, four hundred sixty-eight".