52780467589 has 2 divisors, whose sum is σ = 52780467590. Its totient is φ = 52780467588.

The previous prime is 52780467581. The next prime is 52780467601. The reversal of 52780467589 is 98576408725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46641745089 + 6138722500 = 215967^2 + 78350^2 .

It is a cyclic number.

It is not a de Polignac number, because 52780467589 - 2³ = 52780467581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52780467581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26390233794 + 26390233795.

It is an arithmetic number, because the mean of its divisors is an integer number (26390233795).

Almost surely, 2^52780467589 is an apocalyptic number.

It is an amenable number.

52780467589 is a deficient number, since it is larger than the sum of its proper divisors (1).

52780467589 is an equidigital number, since it uses as much as digits as its factorization.

52780467589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33868800, while the sum is 61.

The spelling of 52780467589 in words is "fifty-two billion, seven hundred eighty million, four hundred sixty-seven thousand, five hundred eighty-nine".