8565623652 has 48 divisors (see below), whose sum is σ = 20055651840. Its totient is φ = 2845344768.

The previous prime is 8565623641. The next prime is 8565623653. The reversal of 8565623652 is 2563265658.

It is not an unprimeable number, because it can be changed into a prime (8565623653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6968974 + ... + 6970202.

It is an arithmetic number, because the mean of its divisors is an integer number (417826080).

Almost surely, 2^8565623652 is an apocalyptic number.

It is an amenable number.

8565623652 is an abundant number, since it is smaller than the sum of its proper divisors (11490028188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8565623652 is a wasteful number, since it uses less digits than its factorization.

8565623652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772 (or 2770 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 48.

The square root of 8565623652 is about 92550.6545195657. The cubic root of 8565623652 is about 2046.0661145216.

The spelling of 8565623652 in words is "eight billion, five hundred sixty-five million, six hundred twenty-three thousand, six hundred fifty-two".