10778069 has 2 divisors, whose sum is σ = 10778070. Its totient is φ = 10778068.

The previous prime is 10778059. The next prime is 10778071. The reversal of 10778069 is 96087701.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8631844 + 2146225 = 2938^2 + 1465^2 .

It is a cyclic number.

It is not a de Polignac number, because 10778069 - 2²⁰ = 9729493 is a prime.

It is a super-2 number, since 2×10778069² = 232333542737522, which contains 22 as substring.

Together with 10778071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10778059) 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, 5389034 + 5389035.

It is an arithmetic number, because the mean of its divisors is an integer number (5389035).

Almost surely, 2^10778069 is an apocalyptic number.

It is an amenable number.

10778069 is a deficient number, since it is larger than the sum of its proper divisors (1).

10778069 is an equidigital number, since it uses as much as digits as its factorization.

10778069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 10778069 is about 3282.9969540041. The cubic root of 10778069 is about 220.8921690944.

The spelling of 10778069 in words is "ten million, seven hundred seventy-eight thousand, sixty-nine".