8771304645 has 64 divisors (see below), whose sum is σ = 15786282240. Its totient is φ = 4620478464.

The previous prime is 8771304643. The next prime is 8771304653. The reversal of 8771304645 is 5464031778.

It is not a de Polignac number, because 8771304645 - 2¹ = 8771304643 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8771304645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8771304643) 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, 5292657 + ... + 5294313.

It is an arithmetic number, because the mean of its divisors is an integer number (246660660).

Almost surely, 2^8771304645 is an apocalyptic number.

It is an amenable number.

8771304645 is a deficient number, since it is larger than the sum of its proper divisors (7014977595).

8771304645 is a wasteful number, since it uses less digits than its factorization.

8771304645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131 (or 2125 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 8771304645 is about 93655.2435531508. The cubic root of 8771304645 is about 2062.3137233420.

The spelling of 8771304645 in words is "eight billion, seven hundred seventy-one million, three hundred four thousand, six hundred forty-five".