260505237879 has 12 divisors (see below), whose sum is σ = 378255426432. Its totient is φ = 172760889600.

The previous prime is 260505237871. The next prime is 260505237887. The reversal of 260505237879 is 978732505062.

260505237879 is a `hidden beast` number, since 2 + 60 + 50 + 523 + 7 + 8 + 7 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (260505237871) and next prime (260505237887).

It is not a de Polignac number, because 260505237879 - 2³ = 260505237871 is a prime.

It is a super-3 number, since 3×260505237879³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260505237871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75770602 + ... + 75774039.

It is an arithmetic number, because the mean of its divisors is an integer number (31521285536).

Almost surely, 2^260505237879 is an apocalyptic number.

260505237879 is a deficient number, since it is larger than the sum of its proper divisors (117750188553).

260505237879 is a wasteful number, since it uses less digits than its factorization.

260505237879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151544838 (or 151544835 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 260505237879 in words is "two hundred sixty billion, five hundred five million, two hundred thirty-seven thousand, eight hundred seventy-nine".