9977273 has 2 divisors, whose sum is σ = 9977274. Its totient is φ = 9977272.

The previous prime is 9977269. The next prime is 9977287. The reversal of 9977273 is 3727799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8369449 + 1607824 = 2893^2 + 1268^2 .

It is a cyclic number.

It is not a de Polignac number, because 9977273 - 2² = 9977269 is a prime.

It is not a weakly prime, because it can be changed into another prime (9977203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4988636 + 4988637.

It is an arithmetic number, because the mean of its divisors is an integer number (4988637).

Almost surely, 2^9977273 is an apocalyptic number.

It is an amenable number.

9977273 is a deficient number, since it is larger than the sum of its proper divisors (1).

9977273 is an equidigital number, since it uses as much as digits as its factorization.

9977273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 166698, while the sum is 44.

The square root of 9977273 is about 3158.6821619150. The cubic root of 9977273 is about 215.2801324116.

The spelling of 9977273 in words is "nine million, nine hundred seventy-seven thousand, two hundred seventy-three".