797851 has 2 divisors, whose sum is σ = 797852. Its totient is φ = 797850.

The previous prime is 797833. The next prime is 797869. The reversal of 797851 is 158797.

797851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (797833) and next prime (797869).

It is a cyclic number.

It is not a de Polignac number, because 797851 - 2¹¹ = 795803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 797851.

It is not a weakly prime, because it can be changed into another prime (797051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398925 + 398926.

It is an arithmetic number, because the mean of its divisors is an integer number (398926).

2⁷⁹⁷⁸⁵¹ is an apocalyptic number.

797851 is a deficient number, since it is larger than the sum of its proper divisors (1).

797851 is an equidigital number, since it uses as much as digits as its factorization.

797851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 37.

The square root of 797851 is about 893.2250556271. The cubic root of 797851 is about 92.7485790111.

The spelling of 797851 in words is "seven hundred ninety-seven thousand, eight hundred fifty-one".