285435445987 has 2 divisors, whose sum is σ = 285435445988. Its totient is φ = 285435445986.

The previous prime is 285435445973. The next prime is 285435445993. The reversal of 285435445987 is 789544534582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 285435445987 - 2¹⁹ = 285434921699 is a prime.

It is not a weakly prime, because it can be changed into another prime (285435445957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142717722993 + 142717722994.

It is an arithmetic number, because the mean of its divisors is an integer number (142717722994).

Almost surely, 2^285435445987 is an apocalyptic number.

285435445987 is a deficient number, since it is larger than the sum of its proper divisors (1).

285435445987 is an equidigital number, since it uses as much as digits as its factorization.

285435445987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536000, while the sum is 64.

The spelling of 285435445987 in words is "two hundred eighty-five billion, four hundred thirty-five million, four hundred forty-five thousand, nine hundred eighty-seven".