868283837 has 2 divisors, whose sum is σ = 868283838. Its totient is φ = 868283836.

The previous prime is 868283803. The next prime is 868283839. The reversal of 868283837 is 738382868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 676572121 + 191711716 = 26011^2 + 13846^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-868283837 is a prime.

Together with 868283839, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868283839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434141918 + 434141919.

It is an arithmetic number, because the mean of its divisors is an integer number (434141919).

Almost surely, 2^868283837 is an apocalyptic number.

It is an amenable number.

868283837 is a deficient number, since it is larger than the sum of its proper divisors (1).

868283837 is an equidigital number, since it uses as much as digits as its factorization.

868283837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3096576, while the sum is 53.

The square root of 868283837 is about 29466.6563593496. The cubic root of 868283837 is about 954.0121495786.

The spelling of 868283837 in words is "eight hundred sixty-eight million, two hundred eighty-three thousand, eight hundred thirty-seven".