3872787646879 has 2 divisors, whose sum is σ = 3872787646880. Its totient is φ = 3872787646878.

The previous prime is 3872787646859. The next prime is 3872787646883. The reversal of 3872787646879 is 9786467872783.

3872787646879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3872787646879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3872787646859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1936393823439 + 1936393823440.

It is an arithmetic number, because the mean of its divisors is an integer number (1936393823440).

Almost surely, 2^{3872787646879} is an apocalyptic number.

3872787646879 is a deficient number, since it is larger than the sum of its proper divisors (1).

3872787646879 is an equidigital number, since it uses as much as digits as its factorization.

3872787646879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9559130112, while the sum is 82.

The spelling of 3872787646879 in words is "three trillion, eight hundred seventy-two billion, seven hundred eighty-seven million, six hundred forty-six thousand, eight hundred seventy-nine".