8475617728 has 14 divisors (see below), whose sum is σ = 16818804056. Its totient is φ = 4237808832.

The previous prime is 8475617671. The next prime is 8475617729. The reversal of 8475617728 is 8277165748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8475617729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66215700 + ... + 66215827.

Almost surely, 2^8475617728 is an apocalyptic number.

It is an amenable number.

8475617728 is a deficient number, since it is larger than the sum of its proper divisors (8343186328).

8475617728 is a wasteful number, since it uses less digits than its factorization.

8475617728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132431539 (or 132431529 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 55.

The square root of 8475617728 is about 92063.1181744351. The cubic root of 8475617728 is about 2038.8743091027.

The spelling of 8475617728 in words is "eight billion, four hundred seventy-five million, six hundred seventeen thousand, seven hundred twenty-eight".