855870071 has 16 divisors (see below), whose sum is σ = 989186880. Its totient is φ = 725345280.

The previous prime is 855870053. The next prime is 855870079. The reversal of 855870071 is 170078558.

855870071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 855870071 - 2⁶ = 855870007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855870079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503495 + ... + 505191.

It is an arithmetic number, because the mean of its divisors is an integer number (61824180).

Almost surely, 2^855870071 is an apocalyptic number.

855870071 is a deficient number, since it is larger than the sum of its proper divisors (133316809).

855870071 is a wasteful number, since it uses less digits than its factorization.

855870071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474.

The product of its (nonzero) digits is 78400, while the sum is 41.

The square root of 855870071 is about 29255.2571514933. The cubic root of 855870071 is about 949.4438373477.

The spelling of 855870071 in words is "eight hundred fifty-five million, eight hundred seventy thousand, seventy-one".