2865554285887 has 2 divisors, whose sum is σ = 2865554285888. Its totient is φ = 2865554285886.

The previous prime is 2865554285879. The next prime is 2865554285911. The reversal of 2865554285887 is 7885824555682.

2865554285887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2865554285887 - 2³ = 2865554285879 is a prime.

It is a super-2 number, since 2×2865554285887² (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 (2865554285857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432777142943 + 1432777142944.

It is an arithmetic number, because the mean of its divisors is an integer number (1432777142944).

Almost surely, 2^{2865554285887} is an apocalyptic number.

2865554285887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2865554285887 is an equidigital number, since it uses as much as digits as its factorization.

2865554285887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1720320000, while the sum is 73.

The spelling of 2865554285887 in words is "two trillion, eight hundred sixty-five billion, five hundred fifty-four million, two hundred eighty-five thousand, eight hundred eighty-seven".