3861823423987 has 2 divisors, whose sum is σ = 3861823423988. Its totient is φ = 3861823423986.

The previous prime is 3861823423951. The next prime is 3861823424023. The reversal of 3861823423987 is 7893243281683.

3861823423987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (3861823423951) and next prime (3861823424023).

It is a cyclic number.

It is not a de Polignac number, because 3861823423987 - 2¹⁵ = 3861823391219 is a prime.

It is not a weakly prime, because it can be changed into another prime (3861823423907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1930911711993 + 1930911711994.

It is an arithmetic number, because the mean of its divisors is an integer number (1930911711994).

Almost surely, 2^{3861823423987} is an apocalyptic number.

3861823423987 is a deficient number, since it is larger than the sum of its proper divisors (1).

3861823423987 is an equidigital number, since it uses as much as digits as its factorization.

3861823423987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 83607552, while the sum is 64.

The spelling of 3861823423987 in words is "three trillion, eight hundred sixty-one billion, eight hundred twenty-three million, four hundred twenty-three thousand, nine hundred eighty-seven".