260787436479 has 12 divisors (see below), whose sum is σ = 376935542256. Its totient is φ = 173746331712.

The previous prime is 260787436471. The next prime is 260787436517. The reversal of 260787436479 is 974634787062.

It is a happy number.

260787436479 is a `hidden beast` number, since 2 + 60 + 7 + 8 + 74 + 36 + 479 = 666.

It is not a de Polignac number, because 260787436479 - 2³ = 260787436471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260787436471) 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, 9315187 + ... + 9343140.

It is an arithmetic number, because the mean of its divisors is an integer number (31411295188).

Almost surely, 2^260787436479 is an apocalyptic number.

260787436479 is a deficient number, since it is larger than the sum of its proper divisors (116148105777).

260787436479 is a wasteful number, since it uses less digits than its factorization.

260787436479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18659886 (or 18659883 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 63.

The spelling of 260787436479 in words is "two hundred sixty billion, seven hundred eighty-seven million, four hundred thirty-six thousand, four hundred seventy-nine".