3447116376377 has 2 divisors, whose sum is σ = 3447116376378. Its totient is φ = 3447116376376.

The previous prime is 3447116376359. The next prime is 3447116376419. The reversal of 3447116376377 is 7736736117443.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1945366615696 + 1501749760681 = 1394764^2 + 1225459^2 .

It is a cyclic number.

It is not a de Polignac number, because 3447116376377 - 2¹⁴ = 3447116359993 is a prime.

It is a super-2 number, since 2×3447116376377² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3447116376307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1723558188188 + 1723558188189.

It is an arithmetic number, because the mean of its divisors is an integer number (1723558188189).

Almost surely, 2^{3447116376377} is an apocalyptic number.

It is an amenable number.

3447116376377 is a deficient number, since it is larger than the sum of its proper divisors (1).

3447116376377 is an equidigital number, since it uses as much as digits as its factorization.

3447116376377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37340352, while the sum is 59.

The spelling of 3447116376377 in words is "three trillion, four hundred forty-seven billion, one hundred sixteen million, three hundred seventy-six thousand, three hundred seventy-seven".