10897769 has 2 divisors, whose sum is σ = 10897770. Its totient is φ = 10897768.

The previous prime is 10897763. The next prime is 10897781. The reversal of 10897769 is 96779801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8479744 + 2418025 = 2912^2 + 1555^2 .

It is an emirp because it is prime and its reverse (96779801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10897769 - 2⁴ = 10897753 is a prime.

It is a super-2 number, since 2×10897769² = 237522738354722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10897763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5448884 + 5448885.

It is an arithmetic number, because the mean of its divisors is an integer number (5448885).

Almost surely, 2^10897769 is an apocalyptic number.

It is an amenable number.

10897769 is a deficient number, since it is larger than the sum of its proper divisors (1).

10897769 is an equidigital number, since it uses as much as digits as its factorization.

10897769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 10897769 is about 3301.1769113454. The cubic root of 10897769 is about 221.7068947913.

It can be divided in two parts, 1089 and 7769, that multiplied together give a triangular number (8460441 = T₄₁₁₃).

The spelling of 10897769 in words is "ten million, eight hundred ninety-seven thousand, seven hundred sixty-nine".