3861223747 has 2 divisors, whose sum is σ = 3861223748. Its totient is φ = 3861223746.

The previous prime is 3861223741. The next prime is 3861223777. The reversal of 3861223747 is 7473221683.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3861223747 - 2¹⁹ = 3860699459 is a prime.

It is not a weakly prime, because it can be changed into another prime (3861223741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1930611873 + 1930611874.

It is an arithmetic number, because the mean of its divisors is an integer number (1930611874).

Almost surely, 2^3861223747 is an apocalyptic number.

3861223747 is a deficient number, since it is larger than the sum of its proper divisors (1).

3861223747 is an equidigital number, since it uses as much as digits as its factorization.

3861223747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 43.

The square root of 3861223747 is about 62138.7459400333. The cubic root of 3861223747 is about 1568.8267631374.

The spelling of 3861223747 in words is "three billion, eight hundred sixty-one million, two hundred twenty-three thousand, seven hundred forty-seven".