854803771772 has 12 divisors (see below), whose sum is σ = 1496051723376. Its totient is φ = 427360422240.

The previous prime is 854803771747. The next prime is 854803771793. The reversal of 854803771772 is 277177308458.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10319504 + ... + 10402007.

It is an arithmetic number, because the mean of its divisors is an integer number (124670976948).

Almost surely, 2^854803771772 is an apocalyptic number.

It is an amenable number.

854803771772 is a deficient number, since it is larger than the sum of its proper divisors (641247951604).

854803771772 is a wasteful number, since it uses less digits than its factorization.

854803771772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20731828 (or 20731826 counting only the distinct ones).

The product of its (nonzero) digits is 18439680, while the sum is 59.

The spelling of 854803771772 in words is "eight hundred fifty-four billion, eight hundred three million, seven hundred seventy-one thousand, seven hundred seventy-two".