855866334 has 16 divisors (see below), whose sum is σ = 1748153088. Its totient is φ = 279218712.

The previous prime is 855866327. The next prime is 855866359. The reversal of 855866334 is 433668558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517212 + ... + 1517775.

It is an arithmetic number, because the mean of its divisors is an integer number (109259568).

Almost surely, 2^855866334 is an apocalyptic number.

855866334 is an abundant number, since it is smaller than the sum of its proper divisors (892286754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

855866334 is a wasteful number, since it uses less digits than its factorization.

855866334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035039.

The product of its digits is 2073600, while the sum is 48.

The square root of 855866334 is about 29255.1932825610. The cubic root of 855866334 is about 949.4424554881.

The spelling of 855866334 in words is "eight hundred fifty-five million, eight hundred sixty-six thousand, three hundred thirty-four".