851972473704 has 192 divisors, whose sum is σ = 2381770681920. Its totient is φ = 253703577600.

The previous prime is 851972473699. The next prime is 851972473733. The reversal of 851972473704 is 407374279158.

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 47 ways as a sum of consecutive naturals, for example, 309469192 + ... + 309471944.

It is an arithmetic number, because the mean of its divisors is an integer number (12405055635).

Almost surely, 2^851972473704 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 851972473704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1190885340960).

851972473704 is an abundant number, since it is smaller than the sum of its proper divisors (1529798208216).

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

851972473704 is a wasteful number, since it uses less digits than its factorization.

851972473704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592 (or 4577 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 851972473704 in words is "eight hundred fifty-one billion, nine hundred seventy-two million, four hundred seventy-three thousand, seven hundred four".