260728877 has 2 divisors, whose sum is σ = 260728878. Its totient is φ = 260728876.

The previous prime is 260728873. The next prime is 260728891. The reversal of 260728877 is 778827062.

It is a happy number.

260728877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233050756 + 27678121 = 15266^2 + 5261^2 .

It is a cyclic number.

It is not a de Polignac number, because 260728877 - 2² = 260728873 is a prime.

It is a super-2 number, since 2×260728877² = 135959094603362258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260728873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130364438 + 130364439.

It is an arithmetic number, because the mean of its divisors is an integer number (130364439).

Almost surely, 2^260728877 is an apocalyptic number.

It is an amenable number.

260728877 is a deficient number, since it is larger than the sum of its proper divisors (1).

260728877 is an equidigital number, since it uses as much as digits as its factorization.

260728877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 526848, while the sum is 47.

The square root of 260728877 is about 16147.1011949514. The cubic root of 260728877 is about 638.8462914488.

The spelling of 260728877 in words is "two hundred sixty million, seven hundred twenty-eight thousand, eight hundred seventy-seven".