8681797845 has 96 divisors (see below), whose sum is σ = 18233579520. Its totient is φ = 3736834560.

The previous prime is 8681797843. The next prime is 8681797897. The reversal of 8681797845 is 5487971868.

8681797845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8681797845 - 2¹ = 8681797843 is a prime.

It is a super-2 number, since 2×8681797845² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8681797843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 349291 + ... + 373319.

It is an arithmetic number, because the mean of its divisors is an integer number (189933120).

Almost surely, 2^8681797845 is an apocalyptic number.

It is an amenable number.

8681797845 is an abundant number, since it is smaller than the sum of its proper divisors (9551781675).

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

8681797845 is a wasteful number, since it uses less digits than its factorization.

8681797845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24115 (or 24112 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 63.

The square root of 8681797845 is about 93176.1656487323. The cubic root of 8681797845 is about 2055.2747639075.

The spelling of 8681797845 in words is "eight billion, six hundred eighty-one million, seven hundred ninety-seven thousand, eight hundred forty-five".