8545789986 has 16 divisors (see below), whose sum is σ = 17489059104. Its totient is φ = 2782350144.

The previous prime is 8545789981. The next prime is 8545790021. The reversal of 8545789986 is 6899875458.

It is a self number, because there is not a number n which added to its sum of digits gives 8545789986.

It is not an unprimeable number, because it can be changed into a prime (8545789981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16561351 + ... + 16561866.

It is an arithmetic number, because the mean of its divisors is an integer number (1093066194).

Almost surely, 2^8545789986 is an apocalyptic number.

8545789986 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

8545789986 is an abundant number, since it is smaller than the sum of its proper divisors (8943269118).

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

8545789986 is a wasteful number, since it uses less digits than its factorization.

8545789986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33123265.

The product of its digits is 174182400, while the sum is 69.

The square root of 8545789986 is about 92443.4420929900. The cubic root of 8545789986 is about 2044.4856748618.

The spelling of 8545789986 in words is "eight billion, five hundred forty-five million, seven hundred eighty-nine thousand, nine hundred eighty-six".