3984088031947 has 2 divisors, whose sum is σ = 3984088031948. Its totient is φ = 3984088031946.

The previous prime is 3984088031933. The next prime is 3984088032007. The reversal of 3984088031947 is 7491308804893.

It is a weak prime.

It is an emirp because it is prime and its reverse (7491308804893) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3984088031947 is a prime.

It is a super-2 number, since 2×3984088031947² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3984088031927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992044015973 + 1992044015974.

It is an arithmetic number, because the mean of its divisors is an integer number (1992044015974).

Almost surely, 2^{3984088031947} is an apocalyptic number.

3984088031947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3984088031947 is an equidigital number, since it uses as much as digits as its factorization.

3984088031947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 3984088031947 in words is "three trillion, nine hundred eighty-four billion, eighty-eight million, thirty-one thousand, nine hundred forty-seven".