260276403357877 has 2 divisors, whose sum is σ = 260276403357878. Its totient is φ = 260276403357876.

The previous prime is 260276403357851. The next prime is 260276403357907. The reversal of 260276403357877 is 778753304672062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241424906925316 + 18851496432561 = 15537854^2 + 4341831^2 .

It is a cyclic number.

It is not a de Polignac number, because 260276403357877 - 2¹⁹ = 260276402833589 is a prime.

It is a super-2 number, since 2×260276403357877² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260276403357847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130138201678938 + 130138201678939.

It is an arithmetic number, because the mean of its divisors is an integer number (130138201678939).

Almost surely, 2^{260276403357877} is an apocalyptic number.

It is an amenable number.

260276403357877 is a deficient number, since it is larger than the sum of its proper divisors (1).

260276403357877 is an equidigital number, since it uses as much as digits as its factorization.

260276403357877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497871360, while the sum is 67.

The spelling of 260276403357877 in words is "two hundred sixty trillion, two hundred seventy-six billion, four hundred three million, three hundred fifty-seven thousand, eight hundred seventy-seven".