10777909 has 2 divisors, whose sum is σ = 10777910. Its totient is φ = 10777908.

The previous prime is 10777867. The next prime is 10777913. The reversal of 10777909 is 90977701.

It is a happy number.

10777909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6275025 + 4502884 = 2505^2 + 2122^2 .

It is an emirp because it is prime and its reverse (90977701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10777909 - 2¹¹ = 10775861 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10777919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5388954 + 5388955.

It is an arithmetic number, because the mean of its divisors is an integer number (5388955).

Almost surely, 2^10777909 is an apocalyptic number.

It is an amenable number.

10777909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10777909 is an equidigital number, since it uses as much as digits as its factorization.

10777909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27783, while the sum is 40.

The square root of 10777909 is about 3282.9725859349. The cubic root of 10777909 is about 220.8910760439.

The spelling of 10777909 in words is "ten million, seven hundred seventy-seven thousand, nine hundred nine".