851701056 has 28 divisors (see below), whose sum is σ = 2253459552. Its totient is φ = 283900288.

The previous prime is 851701027. The next prime is 851701069. The reversal of 851701056 is 650107158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2217780 + ... + 2218163.

Almost surely, 2^851701056 is an apocalyptic number.

It is an amenable number.

851701056 is an abundant number, since it is smaller than the sum of its proper divisors (1401758496).

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

851701056 is a wasteful number, since it uses less digits than its factorization.

851701056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435958 (or 4435948 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 851701056 is about 29183.9177630420. The cubic root of 851701056 is about 947.8997205613.

The spelling of 851701056 in words is "eight hundred fifty-one million, seven hundred one thousand, fifty-six".