3976111919977 has 2 divisors, whose sum is σ = 3976111919978. Its totient is φ = 3976111919976.

The previous prime is 3976111919933. The next prime is 3976111920013. The reversal of 3976111919977 is 7799191116793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3814408208601 + 161703711376 = 1953051^2 + 402124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3976111919977 is a prime.

It is not a weakly prime, because it can be changed into another prime (3976111919077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1988055959988 + 1988055959989.

It is an arithmetic number, because the mean of its divisors is an integer number (1988055959989).

Almost surely, 2^{3976111919977} is an apocalyptic number.

It is an amenable number.

3976111919977 is a deficient number, since it is larger than the sum of its proper divisors (1).

3976111919977 is an equidigital number, since it uses as much as digits as its factorization.

3976111919977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40507614, while the sum is 70.

The spelling of 3976111919977 in words is "three trillion, nine hundred seventy-six billion, one hundred eleven million, nine hundred nineteen thousand, nine hundred seventy-seven".