8682640945 has 32 divisors (see below), whose sum is σ = 12083250816. Its totient is φ = 5919360000.

The previous prime is 8682640937. The next prime is 8682640987. The reversal of 8682640945 is 5490462868.

It is not a de Polignac number, because 8682640945 - 2³ = 8682640937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8682640892 and 8682640901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216187 + ... + 253183.

It is an arithmetic number, because the mean of its divisors is an integer number (377601588).

Almost surely, 2^8682640945 is an apocalyptic number.

8682640945 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8682640945 is a deficient number, since it is larger than the sum of its proper divisors (3400609871).

8682640945 is a wasteful number, since it uses less digits than its factorization.

8682640945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37281.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The square root of 8682640945 is about 93180.6897645644. The cubic root of 8682640945 is about 2055.3412918355.

The spelling of 8682640945 in words is "eight billion, six hundred eighty-two million, six hundred forty thousand, nine hundred forty-five".