2865554285879 has 2 divisors, whose sum is σ = 2865554285880. Its totient is φ = 2865554285878.

The previous prime is 2865554285857. The next prime is 2865554285887. The reversal of 2865554285879 is 9785824555682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2865554285879 - 2²⁴ = 2865537508663 is a prime.

It is a super-2 number, since 2×2865554285879² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2865554287879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432777142939 + 1432777142940.

It is an arithmetic number, because the mean of its divisors is an integer number (1432777142940).

Almost surely, 2^{2865554285879} is an apocalyptic number.

2865554285879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2865554285879 is an equidigital number, since it uses as much as digits as its factorization.

2865554285879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360000, while the sum is 74.

The spelling of 2865554285879 in words is "two trillion, eight hundred sixty-five billion, five hundred fifty-four million, two hundred eighty-five thousand, eight hundred seventy-nine".