8645500386 has 32 divisors (see below), whose sum is σ = 19216387200. Its totient is φ = 2881208880.

The previous prime is 8645500351. The next prime is 8645500439. The reversal of 8645500386 is 6830055468.

8645500386 is a `hidden beast` number, since 8 + 64 + 5 + 500 + 3 + 86 = 666.

It is a super-2 number, since 2×8645500386² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281256 + ... + 310476.

It is an arithmetic number, because the mean of its divisors is an integer number (600512100).

Almost surely, 2^8645500386 is an apocalyptic number.

8645500386 is an abundant number, since it is smaller than the sum of its proper divisors (10570886814).

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

8645500386 is a wasteful number, since it uses less digits than its factorization.

8645500386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34711 (or 34705 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 8645500386 is about 92981.1829673080. The cubic root of 8645500386 is about 2052.4064847413.

The spelling of 8645500386 in words is "eight billion, six hundred forty-five million, five hundred thousand, three hundred eighty-six".