855036885 has 32 divisors (see below), whose sum is σ = 1450386432. Its totient is φ = 429373440.

The previous prime is 855036881. The next prime is 855036901. The reversal of 855036885 is 588630558.

It is not a de Polignac number, because 855036885 - 2² = 855036881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855036881) 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 31 ways as a sum of consecutive naturals, for example, 7644 + ... + 42053.

It is an arithmetic number, because the mean of its divisors is an integer number (45324576).

Almost surely, 2^855036885 is an apocalyptic number.

It is an amenable number.

855036885 is a deficient number, since it is larger than the sum of its proper divisors (595349547).

855036885 is a wasteful number, since it uses less digits than its factorization.

855036885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49773.

The product of its (nonzero) digits is 1152000, while the sum is 48.

The square root of 855036885 is about 29241.0137478166. The cubic root of 855036885 is about 949.1356440920.

The spelling of 855036885 in words is "eight hundred fifty-five million, thirty-six thousand, eight hundred eighty-five".