8647739496 has 160 divisors (see below), whose sum is σ = 27814802400. Its totient is φ = 2482565760.

The previous prime is 8647739473. The next prime is 8647739519. The reversal of 8647739496 is 6949377468.

It is an interprime number because it is at equal distance from previous prime (8647739473) and next prime (8647739519).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 103506 + ... + 167358.

It is an arithmetic number, because the mean of its divisors is an integer number (173842515).

Almost surely, 2^8647739496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8647739496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13907401200).

8647739496 is an abundant number, since it is smaller than the sum of its proper divisors (19167062904).

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

8647739496 is a wasteful number, since it uses less digits than its factorization.

8647739496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63901 (or 63888 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 63.

The square root of 8647739496 is about 92993.2228498400. Note that the first 3 decimals coincide. The cubic root of 8647739496 is about 2052.5836546369.

The spelling of 8647739496 in words is "eight billion, six hundred forty-seven million, seven hundred thirty-nine thousand, four hundred ninety-six".