855953395 has 48 divisors (see below), whose sum is σ = 1189339200. Its totient is φ = 589783040.

The previous prime is 855953389. The next prime is 855953419. The reversal of 855953395 is 593359558.

It is not a de Polignac number, because 855953395 - 2¹¹ = 855951347 is a prime.

Its product of digits (3645000) is a multiple of the sum of its prime divisors (625).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1906131 + ... + 1906579.

It is an arithmetic number, because the mean of its divisors is an integer number (24777900).

Almost surely, 2^855953395 is an apocalyptic number.

855953395 is a deficient number, since it is larger than the sum of its proper divisors (333385805).

855953395 is a wasteful number, since it uses less digits than its factorization.

855953395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 625 counting only the distinct ones).

The product of its digits is 3645000, while the sum is 52.

The square root of 855953395 is about 29256.6812027612. The cubic root of 855953395 is about 949.4746476672.

The spelling of 855953395 in words is "eight hundred fifty-five million, nine hundred fifty-three thousand, three hundred ninety-five".