42885280975687 has 2 divisors, whose sum is σ = 42885280975688. Its totient is φ = 42885280975686.

The previous prime is 42885280975673. The next prime is 42885280975709. The reversal of 42885280975687 is 78657908258824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42885280975687 - 2³¹ = 42883133492039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42885280973687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21442640487843 + 21442640487844.

It is an arithmetic number, because the mean of its divisors is an integer number (21442640487844).

Almost surely, 2^{42885280975687} is an apocalyptic number.

42885280975687 is a deficient number, since it is larger than the sum of its proper divisors (1).

42885280975687 is an equidigital number, since it uses as much as digits as its factorization.

42885280975687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4335206400, while the sum is 79.

The spelling of 42885280975687 in words is "forty-two trillion, eight hundred eighty-five billion, two hundred eighty million, nine hundred seventy-five thousand, six hundred eighty-seven".