851245696 has 64 divisors (see below), whose sum is σ = 1965548160. Its totient is φ = 359654400.

The previous prime is 851245693. The next prime is 851245697. The reversal of 851245696 is 696542158.

851245696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (851245691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56926 + ... + 70306.

It is an arithmetic number, because the mean of its divisors is an integer number (30711690).

Almost surely, 2^851245696 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 851245696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982774080).

851245696 is an abundant number, since it is smaller than the sum of its proper divisors (1114302464).

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

851245696 is a wasteful number, since it uses less digits than its factorization.

851245696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13473 (or 13461 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The square root of 851245696 is about 29176.1151629205. The cubic root of 851245696 is about 947.7307596483.

The spelling of 851245696 in words is "eight hundred fifty-one million, two hundred forty-five thousand, six hundred ninety-six".