851796961 has 8 divisors (see below), whose sum is σ = 927547200. Its totient is φ = 779138640.

The previous prime is 851796931. The next prime is 851796991. The reversal of 851796961 is 169697158.

851796961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (851796931) and next prime (851796991).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 851796961 - 2⁷ = 851796833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 851796899 and 851796908.

It is not an unprimeable number, because it can be changed into a prime (851796931) 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, 772405 + ... + 773506.

It is an arithmetic number, because the mean of its divisors is an integer number (115943400).

Almost surely, 2^851796961 is an apocalyptic number.

It is an amenable number.

851796961 is a deficient number, since it is larger than the sum of its proper divisors (75750239).

851796961 is a wasteful number, since it uses less digits than its factorization.

851796961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545959.

The product of its digits is 816480, while the sum is 52.

The square root of 851796961 is about 29185.5608306573. The cubic root of 851796961 is about 947.9352983461.

The spelling of 851796961 in words is "eight hundred fifty-one million, seven hundred ninety-six thousand, nine hundred sixty-one".