851063936 has 64 divisors (see below), whose sum is σ = 1766525760. Its totient is φ = 408038400.

The previous prime is 851063923. The next prime is 851063947. The reversal of 851063936 is 639360158.

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

It is a junction number, because it is equal to n+sod(n) for n = 851063893 and 851063902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334991 + ... + 337521.

It is an arithmetic number, because the mean of its divisors is an integer number (27601965).

Almost surely, 2^851063936 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 851063936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (883262880).

851063936 is an abundant number, since it is smaller than the sum of its proper divisors (915461824).

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

851063936 is a wasteful number, since it uses less digits than its factorization.

851063936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653 (or 2641 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 851063936 is about 29173.0001199739. Note that the first 3 decimals coincide. The cubic root of 851063936 is about 947.6633009402.

The spelling of 851063936 in words is "eight hundred fifty-one million, sixty-three thousand, nine hundred thirty-six".