8728056045 has 64 divisors (see below), whose sum is σ = 16078694400. Its totient is φ = 4487477760.

The previous prime is 8728055989. The next prime is 8728056047. The reversal of 8728056045 is 5406508278.

8728056045 is a `hidden beast` number, since 8 + 7 + 2 + 80 + 560 + 4 + 5 = 666.

It is not a de Polignac number, because 8728056045 - 2²¹ = 8725958893 is a prime.

It is a super-2 number, since 2×8728056045² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8728056047) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1121889 + ... + 1129641.

It is an arithmetic number, because the mean of its divisors is an integer number (251229600).

Almost surely, 2^8728056045 is an apocalyptic number.

It is an amenable number.

8728056045 is a deficient number, since it is larger than the sum of its proper divisors (7350638355).

8728056045 is a wasteful number, since it uses less digits than its factorization.

8728056045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8067 (or 8061 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 8728056045 is about 93424.0656629757. The cubic root of 8728056045 is about 2058.9185926347.

The spelling of 8728056045 in words is "eight billion, seven hundred twenty-eight million, fifty-six thousand, forty-five".