855755671 has 2 divisors, whose sum is σ = 855755672. Its totient is φ = 855755670.

The previous prime is 855755657. The next prime is 855755699. The reversal of 855755671 is 176557558.

855755671 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 855755671 - 2¹¹ = 855753623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (855755071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427877835 + 427877836.

It is an arithmetic number, because the mean of its divisors is an integer number (427877836).

Almost surely, 2^855755671 is an apocalyptic number.

855755671 is a deficient number, since it is larger than the sum of its proper divisors (1).

855755671 is an equidigital number, since it uses as much as digits as its factorization.

855755671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1470000, while the sum is 49.

The square root of 855755671 is about 29253.3018820098. The cubic root of 855755671 is about 949.4015329456.

The spelling of 855755671 in words is "eight hundred fifty-five million, seven hundred fifty-five thousand, six hundred seventy-one".