10977209 has 2 divisors, whose sum is σ = 10977210. Its totient is φ = 10977208.

The previous prime is 10977203. The next prime is 10977251. The reversal of 10977209 is 90277901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6150400 + 4826809 = 2480^2 + 2197^2 .

It is a cyclic number.

It is not a de Polignac number, because 10977209 - 2¹⁶ = 10911673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10977203) 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, 5488604 + 5488605.

It is an arithmetic number, because the mean of its divisors is an integer number (5488605).

Almost surely, 2^10977209 is an apocalyptic number.

It is an amenable number.

10977209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10977209 is an equidigital number, since it uses as much as digits as its factorization.

10977209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 10977209 is about 3313.1871362783. The cubic root of 10977209 is about 222.2443067033.

The spelling of 10977209 in words is "ten million, nine hundred seventy-seven thousand, two hundred nine".