8179299648 has 140 divisors (see below), whose sum is σ = 26111299060. Its totient is φ = 2516686848.

The previous prime is 8179299643. The next prime is 8179299707. The reversal of 8179299648 is 8469929718.

It can be written as a sum of positive squares in 2 ways, for example, as 2031485184 + 6147814464 = 45072^2 + 78408^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8179299643) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6708 + ... + 128076.

It is an arithmetic number, because the mean of its divisors is an integer number (186509279).

Almost surely, 2^8179299648 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 8179299648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13055649530).

8179299648 is an abundant number, since it is smaller than the sum of its proper divisors (17931999412).

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

8179299648 is a wasteful number, since it uses less digits than its factorization.

8179299648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121406 (or 121387 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The square root of 8179299648 is about 90439.4805823209. The cubic root of 8179299648 is about 2014.8313805376.

The spelling of 8179299648 in words is "eight billion, one hundred seventy-nine million, two hundred ninety-nine thousand, six hundred forty-eight".