7766254782266 has 16 divisors (see below), whose sum is σ = 11756795376480. Its totient is φ = 3847326251760.

The previous prime is 7766254782241. The next prime is 7766254782317. The reversal of 7766254782266 is 6622874526677.

It is a junction number, because it is equal to n+sod(n) for n = 7766254782196 and 7766254782205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4023761 + ... + 5632331.

It is an arithmetic number, because the mean of its divisors is an integer number (734799711030).

Almost surely, 2^{7766254782266} is an apocalyptic number.

7766254782266 is a deficient number, since it is larger than the sum of its proper divisors (3990540594214).

7766254782266 is a wasteful number, since it uses less digits than its factorization.

7766254782266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630829.

The product of its digits is 568995840, while the sum is 68.

The spelling of 7766254782266 in words is "seven trillion, seven hundred sixty-six billion, two hundred fifty-four million, seven hundred eighty-two thousand, two hundred sixty-six".