10785043447 has 2 divisors, whose sum is σ = 10785043448. Its totient is φ = 10785043446.

The previous prime is 10785043429. The next prime is 10785043453. The reversal of 10785043447 is 74434058701.

It is a strong prime.

It is an emirp because it is prime and its reverse (74434058701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10785043447 - 2²³ = 10776654839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10785043147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5392521723 + 5392521724.

It is an arithmetic number, because the mean of its divisors is an integer number (5392521724).

Almost surely, 2^10785043447 is an apocalyptic number.

10785043447 is a deficient number, since it is larger than the sum of its proper divisors (1).

10785043447 is an equidigital number, since it uses as much as digits as its factorization.

10785043447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 10785043447 in words is "ten billion, seven hundred eighty-five million, forty-three thousand, four hundred forty-seven".