260176878497 has 2 divisors, whose sum is σ = 260176878498. Its totient is φ = 260176878496.

The previous prime is 260176878487. The next prime is 260176878541. The reversal of 260176878497 is 794878671062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224501601856 + 35675276641 = 473816^2 + 188879^2 .

It is a cyclic number.

It is not a de Polignac number, because 260176878497 - 2¹⁸ = 260176616353 is a prime.

It is not a weakly prime, because it can be changed into another prime (260176878487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130088439248 + 130088439249.

It is an arithmetic number, because the mean of its divisors is an integer number (130088439249).

Almost surely, 2^260176878497 is an apocalyptic number.

It is an amenable number.

260176878497 is a deficient number, since it is larger than the sum of its proper divisors (1).

260176878497 is an equidigital number, since it uses as much as digits as its factorization.

260176878497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56899584, while the sum is 65.

The spelling of 260176878497 in words is "two hundred sixty billion, one hundred seventy-six million, eight hundred seventy-eight thousand, four hundred ninety-seven".