873252565837 has 2 divisors, whose sum is σ = 873252565838. Its totient is φ = 873252565836.

The previous prime is 873252565819. The next prime is 873252565841. The reversal of 873252565837 is 738565252378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 555533206281 + 317719359556 = 745341^2 + 563666^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-873252565837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (873252562837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436626282918 + 436626282919.

It is an arithmetic number, because the mean of its divisors is an integer number (436626282919).

Almost surely, 2^873252565837 is an apocalyptic number.

It is an amenable number.

873252565837 is a deficient number, since it is larger than the sum of its proper divisors (1).

873252565837 is an equidigital number, since it uses as much as digits as its factorization.

873252565837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672000, while the sum is 61.

The spelling of 873252565837 in words is "eight hundred seventy-three billion, two hundred fifty-two million, five hundred sixty-five thousand, eight hundred thirty-seven".