28760617772 has 24 divisors (see below), whose sum is σ = 50468670000. Its totient is φ = 14341031936.

The previous prime is 28760617771. The next prime is 28760617777. The reversal of 28760617772 is 27771606782.

It is not an unprimeable number, because it can be changed into a prime (28760617771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6192083 + ... + 6196725.

It is an arithmetic number, because the mean of its divisors is an integer number (2102861250).

Almost surely, 2^28760617772 is an apocalyptic number.

It is an amenable number.

28760617772 is a deficient number, since it is larger than the sum of its proper divisors (21708052228).

28760617772 is a wasteful number, since it uses less digits than its factorization.

28760617772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8545 (or 8543 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 53.

The spelling of 28760617772 in words is "twenty-eight billion, seven hundred sixty million, six hundred seventeen thousand, seven hundred seventy-two".