8972273773 has 2 divisors, whose sum is σ = 8972273774. Its totient is φ = 8972273772.

The previous prime is 8972273771. The next prime is 8972273831. The reversal of 8972273773 is 3773722798.

It is a happy number.

8972273773 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6096954889 + 2875318884 = 78083^2 + 53622^2 .

It is a cyclic number.

It is not a de Polignac number, because 8972273773 - 2¹ = 8972273771 is a prime.

Together with 8972273771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8972273771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4486136886 + 4486136887.

It is an arithmetic number, because the mean of its divisors is an integer number (4486136887).

Almost surely, 2^8972273773 is an apocalyptic number.

It is an amenable number.

8972273773 is a deficient number, since it is larger than the sum of its proper divisors (1).

8972273773 is an equidigital number, since it uses as much as digits as its factorization.

8972273773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6223392, while the sum is 55.

The square root of 8972273773 is about 94722.0870388739. The cubic root of 8972273773 is about 2077.9455933501.

The spelling of 8972273773 in words is "eight billion, nine hundred seventy-two million, two hundred seventy-three thousand, seven hundred seventy-three".