3973158962777 has 2 divisors, whose sum is σ = 3973158962778. Its totient is φ = 3973158962776.

The previous prime is 3973158962701. The next prime is 3973158962779. The reversal of 3973158962777 is 7772698513793.

3973158962777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2734826220361 + 1238332742416 = 1653731^2 + 1112804^2 .

It is a cyclic number.

It is not a de Polignac number, because 3973158962777 - 2¹⁰ = 3973158961753 is a prime.

Together with 3973158962779, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3973158962779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1986579481388 + 1986579481389.

It is an arithmetic number, because the mean of its divisors is an integer number (1986579481389).

Almost surely, 2^{3973158962777} is an apocalyptic number.

It is an amenable number.

3973158962777 is a deficient number, since it is larger than the sum of its proper divisors (1).

3973158962777 is an equidigital number, since it uses as much as digits as its factorization.

3973158962777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840157920, while the sum is 74.

The spelling of 3973158962777 in words is "three trillion, nine hundred seventy-three billion, one hundred fifty-eight million, nine hundred sixty-two thousand, seven hundred seventy-seven".