7771741056 has 96 divisors (see below), whose sum is σ = 22470687720. Its totient is φ = 2578222080.

The previous prime is 7771741049. The next prime is 7771741067. The reversal of 7771741056 is 6501471777.

It is a tau number, because it is divible by the number of its divisors (96).

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, 227086 + ... + 259058.

Almost surely, 2^7771741056 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 7771741056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11235343860).

7771741056 is an abundant number, since it is smaller than the sum of its proper divisors (14698946664).

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

7771741056 is a wasteful number, since it uses less digits than its factorization.

7771741056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32204 (or 32189 counting only the distinct ones).

The product of its (nonzero) digits is 288120, while the sum is 45.

The square root of 7771741056 is about 88157.4787298276. The cubic root of 7771741056 is about 1980.7945877260.

The spelling of 7771741056 in words is "seven billion, seven hundred seventy-one million, seven hundred forty-one thousand, fifty-six".