32873187817 has 2 divisors, whose sum is σ = 32873187818. Its totient is φ = 32873187816.

The previous prime is 32873187791. The next prime is 32873187857. The reversal of 32873187817 is 71878137823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29139855616 + 3733332201 = 170704^2 + 61101^2 .

It is an emirp because it is prime and its reverse (71878137823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32873187817 - 2¹⁹ = 32872663529 is a prime.

It is not a weakly prime, because it can be changed into another prime (32873187857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16436593908 + 16436593909.

It is an arithmetic number, because the mean of its divisors is an integer number (16436593909).

Almost surely, 2^32873187817 is an apocalyptic number.

It is an amenable number.

32873187817 is a deficient number, since it is larger than the sum of its proper divisors (1).

32873187817 is an equidigital number, since it uses as much as digits as its factorization.

32873187817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3161088, while the sum is 55.

The spelling of 32873187817 in words is "thirty-two billion, eight hundred seventy-three million, one hundred eighty-seven thousand, eight hundred seventeen".