7763840056 has 16 divisors (see below), whose sum is σ = 16636800240. Its totient is φ = 3327360000.

The previous prime is 7763840033. The next prime is 7763840057. The reversal of 7763840056 is 6500483677.

It is a junction number, because it is equal to n+sod(n) for n = 7763839988 and 7763840015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7763840057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69319945 + ... + 69320056.

It is an arithmetic number, because the mean of its divisors is an integer number (1039800015).

Almost surely, 2^7763840056 is an apocalyptic number.

It is an amenable number.

7763840056 is an abundant number, since it is smaller than the sum of its proper divisors (8872960184).

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

7763840056 is a wasteful number, since it uses less digits than its factorization.

7763840056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138640014 (or 138640010 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 7763840056 is about 88112.6554814914. The cubic root of 7763840056 is about 1980.1231137950.

The spelling of 7763840056 in words is "seven billion, seven hundred sixty-three million, eight hundred forty thousand, fifty-six".