52267042687 has 2 divisors, whose sum is σ = 52267042688. Its totient is φ = 52267042686.

The previous prime is 52267042673. The next prime is 52267042739. The reversal of 52267042687 is 78624076225.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52267042687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52267042687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52267042987) 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 as a sum of consecutive naturals, namely, 26133521343 + 26133521344.

It is an arithmetic number, because the mean of its divisors is an integer number (26133521344).

Almost surely, 2^52267042687 is an apocalyptic number.

52267042687 is a deficient number, since it is larger than the sum of its proper divisors (1).

52267042687 is an equidigital number, since it uses as much as digits as its factorization.

52267042687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 52267042687 in words is "fifty-two billion, two hundred sixty-seven million, forty-two thousand, six hundred eighty-seven".