859478727212 has 48 divisors (see below), whose sum is σ = 1754309760000. Its totient is φ = 368291003472.

The previous prime is 859478727209. The next prime is 859478727259. The reversal of 859478727212 is 212727874958.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9502739 + ... + 9592757.

It is an arithmetic number, because the mean of its divisors is an integer number (36548120000).

Almost surely, 2^859478727212 is an apocalyptic number.

It is an amenable number.

859478727212 is an abundant number, since it is smaller than the sum of its proper divisors (894831032788).

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

859478727212 is a wasteful number, since it uses less digits than its factorization.

859478727212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97003 (or 96987 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 62.

The spelling of 859478727212 in words is "eight hundred fifty-nine billion, four hundred seventy-eight million, seven hundred twenty-seven thousand, two hundred twelve".