8566752465 has 24 divisors (see below), whose sum is σ = 15092469288. Its totient is φ = 4494032640.

The previous prime is 8566752461. The next prime is 8566752479. The reversal of 8566752465 is 5642576658.

8566752465 is a `hidden beast` number, since 8 + 56 + 6 + 7 + 524 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 154927809 + 8411824656 = 12447^2 + 91716^2 .

It is not a de Polignac number, because 8566752465 - 2² = 8566752461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8566752461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1557684 + ... + 1563173.

It is an arithmetic number, because the mean of its divisors is an integer number (628852887).

Almost surely, 2^8566752465 is an apocalyptic number.

It is an amenable number.

8566752465 is a deficient number, since it is larger than the sum of its proper divisors (6525716823).

8566752465 is a wasteful number, since it uses less digits than its factorization.

8566752465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120929 (or 3120926 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 54.

The square root of 8566752465 is about 92556.7526709964. The cubic root of 8566752465 is about 2046.1559902338.

The spelling of 8566752465 in words is "eight billion, five hundred sixty-six million, seven hundred fifty-two thousand, four hundred sixty-five".