855086085803 has 4 divisors (see below), whose sum is σ = 856583610168. Its totient is φ = 853588561440.

The previous prime is 855086085797. The next prime is 855086085829. The reversal of 855086085803 is 308580680558.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 855086085803 - 2⁶ = 855086085739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855086085863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748761326 + ... + 748762467.

It is an arithmetic number, because the mean of its divisors is an integer number (214145902542).

Almost surely, 2^855086085803 is an apocalyptic number.

855086085803 is a deficient number, since it is larger than the sum of its proper divisors (1497524365).

855086085803 is a wasteful number, since it uses less digits than its factorization.

855086085803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497524364.

The product of its (nonzero) digits is 9216000, while the sum is 56.

The spelling of 855086085803 in words is "eight hundred fifty-five billion, eighty-six million, eighty-five thousand, eight hundred three".