83863237 has 2 divisors, whose sum is σ = 83863238. Its totient is φ = 83863236.

The previous prime is 83863223. The next prime is 83863279. The reversal of 83863237 is 73236838.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76632516 + 7230721 = 8754^2 + 2689^2 .

It is a cyclic number.

It is not a de Polignac number, because 83863237 - 2¹¹ = 83861189 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83863237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83863217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41931618 + 41931619.

It is an arithmetic number, because the mean of its divisors is an integer number (41931619).

Almost surely, 2^83863237 is an apocalyptic number.

It is an amenable number.

83863237 is a deficient number, since it is larger than the sum of its proper divisors (1).

83863237 is an equidigital number, since it uses as much as digits as its factorization.

83863237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 83863237 is about 9157.6873172215. The cubic root of 83863237 is about 437.7141038578.

It can be divided in two parts, 83863 and 237, that added together give a square (84100 = 290²).

The spelling of 83863237 in words is "eighty-three million, eight hundred sixty-three thousand, two hundred thirty-seven".