8338777056 has 72 divisors (see below), whose sum is σ = 23781630600. Its totient is φ = 2771594496.

The previous prime is 8338777033. The next prime is 8338777063. The reversal of 8338777056 is 6507778338.

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

It is a junction number, because it is equal to n+sod(n) for n = 8338776993 and 8338777011.

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, 59031 + ... + 141993.

It is an arithmetic number, because the mean of its divisors is an integer number (330300425).

Almost surely, 2^8338777056 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 8338777056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11890815300).

8338777056 is an abundant number, since it is smaller than the sum of its proper divisors (15442853544).

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

8338777056 is a wasteful number, since it uses less digits than its factorization.

8338777056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83328 (or 83317 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The square root of 8338777056 is about 91316.9045467486. The cubic root of 8338777056 is about 2027.8420333759.

The spelling of 8338777056 in words is "eight billion, three hundred thirty-eight million, seven hundred seventy-seven thousand, fifty-six".