851588470896 has 160 divisors (see below), whose sum is σ = 2261356930560. Its totient is φ = 276052147200.

The previous prime is 851588470891. The next prime is 851588470949. The reversal of 851588470896 is 698074885158.

It is a self number, because there is not a number n which added to its sum of digits gives 851588470896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851588470891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222868666 + ... + 222872486.

It is an arithmetic number, because the mean of its divisors is an integer number (14133480816).

Almost surely, 2^851588470896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 851588470896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130678465280).

851588470896 is an abundant number, since it is smaller than the sum of its proper divisors (1409768459664).

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

851588470896 is a wasteful number, since it uses less digits than its factorization.

851588470896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4735 (or 4729 counting only the distinct ones).

The product of its (nonzero) digits is 154828800, while the sum is 69.

The spelling of 851588470896 in words is "eight hundred fifty-one billion, five hundred eighty-eight million, four hundred seventy thousand, eight hundred ninety-six".