2855888927761 has 2 divisors, whose sum is σ = 2855888927762. Its totient is φ = 2855888927760.

The previous prime is 2855888927681. The next prime is 2855888927767. The reversal of 2855888927761 is 1677298885582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2851474654161 + 4414273600 = 1688631^2 + 66440^2 .

It is a cyclic number.

It is not a de Polignac number, because 2855888927761 - 2⁹ = 2855888927249 is a prime.

It is a super-2 number, since 2×2855888927761² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2855888927767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1427944463880 + 1427944463881.

It is an arithmetic number, because the mean of its divisors is an integer number (1427944463881).

Almost surely, 2^{2855888927761} is an apocalyptic number.

It is an amenable number.

2855888927761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2855888927761 is an equidigital number, since it uses as much as digits as its factorization.

2855888927761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1083801600, while the sum is 76.

The spelling of 2855888927761 in words is "two trillion, eight hundred fifty-five billion, eight hundred eighty-eight million, nine hundred twenty-seven thousand, seven hundred sixty-one".