65872837 has 2 divisors, whose sum is σ = 65872838. Its totient is φ = 65872836.

The previous prime is 65872819. The next prime is 65872843. The reversal of 65872837 is 73827856.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42068196 + 23804641 = 6486^2 + 4879^2 .

It is a cyclic number.

It is not a de Polignac number, because 65872837 - 2¹⁵ = 65840069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65872817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32936418 + 32936419.

It is an arithmetic number, because the mean of its divisors is an integer number (32936419).

Almost surely, 2^65872837 is an apocalyptic number.

It is an amenable number.

65872837 is a deficient number, since it is larger than the sum of its proper divisors (1).

65872837 is an equidigital number, since it uses as much as digits as its factorization.

65872837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 46.

The square root of 65872837 is about 8116.2082895894. The cubic root of 65872837 is about 403.8642916573.

The spelling of 65872837 in words is "sixty-five million, eight hundred seventy-two thousand, eight hundred thirty-seven".