8674771688 has 48 divisors (see below), whose sum is σ = 17915100000. Its totient is φ = 3934956960.

The previous prime is 8674771681. The next prime is 8674771691. The reversal of 8674771688 is 8861774768.

It is a self number, because there is not a number n which added to its sum of digits gives 8674771688.

It is not an unprimeable number, because it can be changed into a prime (8674771681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 474053 + ... + 492011.

It is an arithmetic number, because the mean of its divisors is an integer number (373231250).

Almost surely, 2^8674771688 is an apocalyptic number.

8674771688 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8674771688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8957550000).

8674771688 is an abundant number, since it is smaller than the sum of its proper divisors (9240328312).

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

8674771688 is a wasteful number, since it uses less digits than its factorization.

8674771688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18486 (or 18471 counting only the distinct ones).

The product of its digits is 25288704, while the sum is 62.

The square root of 8674771688 is about 93138.4543998879. The cubic root of 8674771688 is about 2054.7201713841.

The spelling of 8674771688 in words is "eight billion, six hundred seventy-four million, seven hundred seventy-one thousand, six hundred eighty-eight".