7966771211 has 48 divisors (see below), whose sum is σ = 9768616704. Its totient is φ = 6362338752.

The previous prime is 7966771201. The next prime is 7966771247. The reversal of 7966771211 is 1121776697.

It is not a de Polignac number, because 7966771211 - 2⁶ = 7966771147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7966771201) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 40440365 + ... + 40440561.

It is an arithmetic number, because the mean of its divisors is an integer number (203512848).

Almost surely, 2^7966771211 is an apocalyptic number.

7966771211 is a deficient number, since it is larger than the sum of its proper divisors (1801845493).

7966771211 is a wasteful number, since it uses less digits than its factorization.

7966771211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 457 counting only the distinct ones).

The product of its digits is 222264, while the sum is 47.

The square root of 7966771211 is about 89256.7712333356. The cubic root of 7966771211 is about 1997.2270915160.

The spelling of 7966771211 in words is "seven billion, nine hundred sixty-six million, seven hundred seventy-one thousand, two hundred eleven".