855325808850 has 48 divisors (see below), whose sum is σ = 2122201411488. Its totient is φ = 227980064640.

The previous prime is 855325808849. The next prime is 855325808873. The reversal of 855325808850 is 58808523558.

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 23 ways as a sum of consecutive naturals, for example, 1013604 + ... + 1654703.

It is an arithmetic number, because the mean of its divisors is an integer number (44212529406).

Almost surely, 2^855325808850 is an apocalyptic number.

855325808850 is an abundant number, since it is smaller than the sum of its proper divisors (1266875602638).

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

855325808850 is a wasteful number, since it uses less digits than its factorization.

855325808850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670459 (or 2670454 counting only the distinct ones).

The product of its (nonzero) digits is 15360000, while the sum is 57.

The spelling of 855325808850 in words is "eight hundred fifty-five billion, three hundred twenty-five million, eight hundred eight thousand, eight hundred fifty".