3996790569977 has 2 divisors, whose sum is σ = 3996790569978. Its totient is φ = 3996790569976.

The previous prime is 3996790569913. The next prime is 3996790570039. The reversal of 3996790569977 is 7799650976993.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2256301405801 + 1740489164176 = 1502099^2 + 1319276^2 .

It is a cyclic number.

It is not a de Polignac number, because 3996790569977 - 2⁶ = 3996790569913 is a prime.

It is not a weakly prime, because it can be changed into another prime (3996790569077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1998395284988 + 1998395284989.

It is an arithmetic number, because the mean of its divisors is an integer number (1998395284989).

Almost surely, 2^{3996790569977} is an apocalyptic number.

It is an amenable number.

3996790569977 is a deficient number, since it is larger than the sum of its proper divisors (1).

3996790569977 is an equidigital number, since it uses as much as digits as its factorization.

3996790569977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10937055780, while the sum is 86.

The spelling of 3996790569977 in words is "three trillion, nine hundred ninety-six billion, seven hundred ninety million, five hundred sixty-nine thousand, nine hundred seventy-seven".