8299061856 has 72 divisors (see below), whose sum is σ = 23656860864. Its totient is φ = 2759742720.

The previous prime is 8299061831. The next prime is 8299061861. The reversal of 8299061856 is 6581609928.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87025 + ... + 155471.

It is an arithmetic number, because the mean of its divisors is an integer number (328567512).

Almost surely, 2^8299061856 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 8299061856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11828430432).

8299061856 is an abundant number, since it is smaller than the sum of its proper divisors (15357799008).

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

8299061856 is a wasteful number, since it uses less digits than its factorization.

8299061856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68884 (or 68873 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The square root of 8299061856 is about 91099.1869118490. The cubic root of 8299061856 is about 2024.6175658224.

The spelling of 8299061856 in words is "eight billion, two hundred ninety-nine million, sixty-one thousand, eight hundred fifty-six".