885745589 has 2 divisors, whose sum is σ = 885745590. Its totient is φ = 885745588.

The previous prime is 885745541. The next prime is 885745603. The reversal of 885745589 is 985547588.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 885538564 + 207025 = 29758^2 + 455^2 .

It is a cyclic number.

It is not a de Polignac number, because 885745589 - 2²⁰ = 884697013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (885745489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442872794 + 442872795.

It is an arithmetic number, because the mean of its divisors is an integer number (442872795).

Almost surely, 2^885745589 is an apocalyptic number.

It is an amenable number.

885745589 is a deficient number, since it is larger than the sum of its proper divisors (1).

885745589 is an equidigital number, since it uses as much as digits as its factorization.

885745589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128000, while the sum is 59.

The square root of 885745589 is about 29761.4782730966. The cubic root of 885745589 is about 960.3650192502.

The spelling of 885745589 in words is "eight hundred eighty-five million, seven hundred forty-five thousand, five hundred eighty-nine".