260878497799 has 2 divisors, whose sum is σ = 260878497800. Its totient is φ = 260878497798.

The previous prime is 260878497721. The next prime is 260878497811. The reversal of 260878497799 is 997794878062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260878497799 - 2²³ = 260870109191 is a prime.

It is a super-2 number, since 2×260878497799² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260878491799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130439248899 + 130439248900.

It is an arithmetic number, because the mean of its divisors is an integer number (130439248900).

Almost surely, 2^260878497799 is an apocalyptic number.

260878497799 is a deficient number, since it is larger than the sum of its proper divisors (1).

260878497799 is an equidigital number, since it uses as much as digits as its factorization.

260878497799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768144384, while the sum is 76.

The spelling of 260878497799 in words is "two hundred sixty billion, eight hundred seventy-eight million, four hundred ninety-seven thousand, seven hundred ninety-nine".