7766255048563 has 32 divisors (see below), whose sum is σ = 9057651144192. Its totient is φ = 6587541945600.

The previous prime is 7766255048491. The next prime is 7766255048569. The reversal of 7766255048563 is 3658405526677.

It is not a de Polignac number, because 7766255048563 - 2²⁵ = 7766221494131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7766255048495 and 7766255048504.

It is not an unprimeable number, because it can be changed into a prime (7766255048569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72007345 + ... + 72115117.

It is an arithmetic number, because the mean of its divisors is an integer number (283051598256).

Almost surely, 2^{7766255048563} is an apocalyptic number.

7766255048563 is a deficient number, since it is larger than the sum of its proper divisors (1291396095629).

7766255048563 is a wasteful number, since it uses less digits than its factorization.

7766255048563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114795.

The product of its (nonzero) digits is 254016000, while the sum is 64.

The spelling of 7766255048563 in words is "seven trillion, seven hundred sixty-six billion, two hundred fifty-five million, forty-eight thousand, five hundred sixty-three".