8643480605 has 16 divisors (see below), whose sum is σ = 10722390528. Its totient is φ = 6681960000.

The previous prime is 8643480557. The next prime is 8643480607. The reversal of 8643480605 is 5060843468.

It is not a de Polignac number, because 8643480605 - 2⁶ = 8643480541 is a prime.

It is a super-2 number, since 2×8643480605² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8643480607) 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, 66755 + ... + 147455.

It is an arithmetic number, because the mean of its divisors is an integer number (670149408).

Almost surely, 2^8643480605 is an apocalyptic number.

It is an amenable number.

8643480605 is a deficient number, since it is larger than the sum of its proper divisors (2078909923).

8643480605 is a wasteful number, since it uses less digits than its factorization.

8643480605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81428.

The product of its (nonzero) digits is 552960, while the sum is 44.

The square root of 8643480605 is about 92970.3210976492. The cubic root of 8643480605 is about 2052.2466430394.

The spelling of 8643480605 in words is "eight billion, six hundred forty-three million, four hundred eighty thousand, six hundred five".