260776543 has 2 divisors, whose sum is σ = 260776544. Its totient is φ = 260776542.

The previous prime is 260776499. The next prime is 260776559. The reversal of 260776543 is 345677062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260776543 - 2¹⁷ = 260645471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260776496 and 260776505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260776573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130388271 + 130388272.

It is an arithmetic number, because the mean of its divisors is an integer number (130388272).

Almost surely, 2^260776543 is an apocalyptic number.

260776543 is a deficient number, since it is larger than the sum of its proper divisors (1).

260776543 is an equidigital number, since it uses as much as digits as its factorization.

260776543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 260776543 is about 16148.5771199818. The cubic root of 260776543 is about 638.8852199994.

The spelling of 260776543 in words is "two hundred sixty million, seven hundred seventy-six thousand, five hundred forty-three".