855264807 has 12 divisors (see below), whose sum is σ = 1239782544. Its totient is φ = 568145760.

The previous prime is 855264799. The next prime is 855264829. The reversal of 855264807 is 708462558.

855264807 is a `hidden beast` number, since 85 + 526 + 48 + 0 + 7 = 666.

It is not a de Polignac number, because 855264807 - 2³ = 855264799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855264857) 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 in 11 ways as a sum of consecutive naturals, for example, 166563 + ... + 171620.

It is an arithmetic number, because the mean of its divisors is an integer number (103315212).

Almost surely, 2^855264807 is an apocalyptic number.

855264807 is a deficient number, since it is larger than the sum of its proper divisors (384517737).

855264807 is a wasteful number, since it uses less digits than its factorization.

855264807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338470 (or 338467 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 855264807 is about 29244.9107880328. The cubic root of 855264807 is about 949.2199717115.

The spelling of 855264807 in words is "eight hundred fifty-five million, two hundred sixty-four thousand, eight hundred seven".