855625895 has 8 divisors (see below), whose sum is σ = 1087148304. Its totient is φ = 644235904.

The previous prime is 855625891. The next prime is 855625909. The reversal of 855625895 is 598526558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 855625895 - 2² = 855625891 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 (855625891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5033009 + ... + 5033178.

It is an arithmetic number, because the mean of its divisors is an integer number (135893538).

Almost surely, 2^855625895 is an apocalyptic number.

855625895 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

855625895 is a deficient number, since it is larger than the sum of its proper divisors (231522409).

855625895 is a wasteful number, since it uses less digits than its factorization.

855625895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10066209.

The product of its digits is 4320000, while the sum is 53.

The square root of 855625895 is about 29251.0836551400. The cubic root of 855625895 is about 949.3535380306.

The spelling of 855625895 in words is "eight hundred fifty-five million, six hundred twenty-five thousand, eight hundred ninety-five".