868244837 has 2 divisors, whose sum is σ = 868244838. Its totient is φ = 868244836.

The previous prime is 868244831. The next prime is 868244851. The reversal of 868244837 is 738442868.

868244837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 686911681 + 181333156 = 26209^2 + 13466^2 .

It is a cyclic number.

It is not a de Polignac number, because 868244837 - 2⁴ = 868244821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868244831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434122418 + 434122419.

It is an arithmetic number, because the mean of its divisors is an integer number (434122419).

Almost surely, 2^868244837 is an apocalyptic number.

It is an amenable number.

868244837 is a deficient number, since it is larger than the sum of its proper divisors (1).

868244837 is an equidigital number, since it uses as much as digits as its factorization.

868244837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2064384, while the sum is 50.

The square root of 868244837 is about 29465.9945869811. The cubic root of 868244837 is about 953.9978658350.

The spelling of 868244837 in words is "eight hundred sixty-eight million, two hundred forty-four thousand, eight hundred thirty-seven".