3867085776431 has 2 divisors, whose sum is σ = 3867085776432. Its totient is φ = 3867085776430.

The previous prime is 3867085776413. The next prime is 3867085776457. The reversal of 3867085776431 is 1346775807683.

Together with previous prime (3867085776413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3867085776431 - 2¹⁸ = 3867085514287 is a prime.

It is a super-2 number, since 2×3867085776431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3867085776401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1933542888215 + 1933542888216.

It is an arithmetic number, because the mean of its divisors is an integer number (1933542888216).

Almost surely, 2^{3867085776431} is an apocalyptic number.

3867085776431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3867085776431 is an equidigital number, since it uses as much as digits as its factorization.

3867085776431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142248960, while the sum is 65.

The spelling of 3867085776431 in words is "three trillion, eight hundred sixty-seven billion, eighty-five million, seven hundred seventy-six thousand, four hundred thirty-one".