28416573768 has 32 divisors (see below), whose sum is σ = 77499747360. Its totient is φ = 8611082880.

The previous prime is 28416573733. The next prime is 28416573827. The reversal of 28416573768 is 86737561482.

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, 53819005 + ... + 53819532.

It is an arithmetic number, because the mean of its divisors is an integer number (2421867105).

Almost surely, 2^28416573768 is an apocalyptic number.

It is an amenable number.

28416573768 is an abundant number, since it is smaller than the sum of its proper divisors (49083173592).

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

28416573768 is a wasteful number, since it uses less digits than its factorization.

28416573768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107638557 (or 107638553 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 57.

The spelling of 28416573768 in words is "twenty-eight billion, four hundred sixteen million, five hundred seventy-three thousand, seven hundred sixty-eight".