2855934871 has 2 divisors, whose sum is σ = 2855934872. Its totient is φ = 2855934870.

The previous prime is 2855934857. The next prime is 2855934889. The reversal of 2855934871 is 1784395582.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2855934871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2855934841) 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, 1427967435 + 1427967436.

It is an arithmetic number, because the mean of its divisors is an integer number (1427967436).

Almost surely, 2^2855934871 is an apocalyptic number.

2855934871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2855934871 is an equidigital number, since it uses as much as digits as its factorization.

2855934871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 52.

The square root of 2855934871 is about 53440.9475121840. The cubic root of 2855934871 is about 1418.7834040121.

The spelling of 2855934871 in words is "two billion, eight hundred fifty-five million, nine hundred thirty-four thousand, eight hundred seventy-one".