260775077 has 2 divisors, whose sum is σ = 260775078. Its totient is φ = 260775076.

The previous prime is 260775059. The next prime is 260775079. The reversal of 260775077 is 770577062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260144641 + 630436 = 16129^2 + 794^2 .

It is a cyclic number.

It is not a de Polignac number, because 260775077 - 2⁶ = 260775013 is a prime.

Together with 260775079, 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 (260775079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130387538 + 130387539.

It is an arithmetic number, because the mean of its divisors is an integer number (130387539).

Almost surely, 2^260775077 is an apocalyptic number.

It is an amenable number.

260775077 is a deficient number, since it is larger than the sum of its proper divisors (1).

260775077 is an equidigital number, since it uses as much as digits as its factorization.

260775077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144060, while the sum is 41.

The square root of 260775077 is about 16148.5317289220. The cubic root of 260775077 is about 638.8840227962.

The spelling of 260775077 in words is "two hundred sixty million, seven hundred seventy-five thousand, seventy-seven".