851930855592 has 16 divisors (see below), whose sum is σ = 2129827139040. Its totient is φ = 283976951856.

The previous prime is 851930855561. The next prime is 851930855603. The reversal of 851930855592 is 295558039158.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 17748559468 + ... + 17748559515.

It is an arithmetic number, because the mean of its divisors is an integer number (133114196190).

Almost surely, 2^851930855592 is an apocalyptic number.

It is an amenable number.

851930855592 is an abundant number, since it is smaller than the sum of its proper divisors (1277896283448).

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

851930855592 is a wasteful number, since it uses less digits than its factorization.

851930855592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35497118992 (or 35497118988 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 60.

The spelling of 851930855592 in words is "eight hundred fifty-one billion, nine hundred thirty million, eight hundred fifty-five thousand, five hundred ninety-two".