3957868884911 has 2 divisors, whose sum is σ = 3957868884912. Its totient is φ = 3957868884910.

The previous prime is 3957868884883. The next prime is 3957868884923. The reversal of 3957868884911 is 1194888687593.

It is a strong prime.

It is an emirp because it is prime and its reverse (1194888687593) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3957868884911 - 2⁶ = 3957868884847 is a prime.

It is a super-2 number, since 2×3957868884911² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3957868884311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1978934442455 + 1978934442456.

It is an arithmetic number, because the mean of its divisors is an integer number (1978934442456).

Almost surely, 2^{3957868884911} is an apocalyptic number.

3957868884911 is a deficient number, since it is larger than the sum of its proper divisors (1).

3957868884911 is an equidigital number, since it uses as much as digits as its factorization.

3957868884911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 836075520, while the sum is 77.

It can be divided in two parts, 3957 and 868884911, that added together give a palindrome (868888868).

The spelling of 3957868884911 in words is "three trillion, nine hundred fifty-seven billion, eight hundred sixty-eight million, eight hundred eighty-four thousand, nine hundred eleven".