7766481212226 has 48 divisors (see below), whose sum is σ = 18357374007648. Its totient is φ = 2353448822400.

The previous prime is 7766481212207. The next prime is 7766481212257. The reversal of 7766481212226 is 6222121846677.

7766481212226 is a `hidden beast` number, since 7 + 76 + 64 + 81 + 212 + 226 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18745066 + ... + 19154906.

It is an arithmetic number, because the mean of its divisors is an integer number (382445291826).

Almost surely, 2^{7766481212226} is an apocalyptic number.

7766481212226 is an abundant number, since it is smaller than the sum of its proper divisors (10590892795422).

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

7766481212226 is a wasteful number, since it uses less digits than its factorization.

7766481212226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505567 (or 505564 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 7766481212226 in words is "seven trillion, seven hundred sixty-six billion, four hundred eighty-one million, two hundred twelve thousand, two hundred twenty-six".