3988683479747 has 2 divisors, whose sum is σ = 3988683479748. Its totient is φ = 3988683479746.

The previous prime is 3988683479743. The next prime is 3988683479771. The reversal of 3988683479747 is 7479743868893.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3988683479747 - 2² = 3988683479743 is a prime.

It is not a weakly prime, because it can be changed into another prime (3988683479743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1994341739873 + 1994341739874.

It is an arithmetic number, because the mean of its divisors is an integer number (1994341739874).

Almost surely, 2^{3988683479747} is an apocalyptic number.

3988683479747 is a deficient number, since it is larger than the sum of its proper divisors (1).

3988683479747 is an equidigital number, since it uses as much as digits as its factorization.

3988683479747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12290310144, while the sum is 83.

The spelling of 3988683479747 in words is "three trillion, nine hundred eighty-eight billion, six hundred eighty-three million, four hundred seventy-nine thousand, seven hundred forty-seven".