8765485641 has 12 divisors (see below), whose sum is σ = 13812280560. Its totient is φ = 5312415480.

The previous prime is 8765485609. The next prime is 8765485649. The reversal of 8765485641 is 1465845678.

8765485641 is a `hidden beast` number, since 8 + 7 + 6 + 548 + 56 + 41 = 666.

It is not a de Polignac number, because 8765485641 - 2⁵ = 8765485609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8765485649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44270031 + ... + 44270228.

It is an arithmetic number, because the mean of its divisors is an integer number (1151023380).

Almost surely, 2^8765485641 is an apocalyptic number.

It is an amenable number.

8765485641 is a deficient number, since it is larger than the sum of its proper divisors (5046794919).

8765485641 is a wasteful number, since it uses less digits than its factorization.

8765485641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88540276 (or 88540273 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The square root of 8765485641 is about 93624.1723114282. The cubic root of 8765485641 is about 2061.8575667017.

The spelling of 8765485641 in words is "eight billion, seven hundred sixty-five million, four hundred eighty-five thousand, six hundred forty-one".