972822789173 has 2 divisors, whose sum is σ = 972822789174. Its totient is φ = 972822789172.

The previous prime is 972822789163. The next prime is 972822789259. The reversal of 972822789173 is 371987228279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 710753535844 + 262069253329 = 843062^2 + 511927^2 .

It is a cyclic number.

It is not a de Polignac number, because 972822789173 - 2⁶ = 972822789109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972822789163) 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, 486411394586 + 486411394587.

It is an arithmetic number, because the mean of its divisors is an integer number (486411394587).

Almost surely, 2^972822789173 is an apocalyptic number.

It is an amenable number.

972822789173 is a deficient number, since it is larger than the sum of its proper divisors (1).

972822789173 is an equidigital number, since it uses as much as digits as its factorization.

972822789173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42674688, while the sum is 65.

The spelling of 972822789173 in words is "nine hundred seventy-two billion, eight hundred twenty-two million, seven hundred eighty-nine thousand, one hundred seventy-three".