546879089 has 2 divisors, whose sum is σ = 546879090. Its totient is φ = 546879088.

The previous prime is 546879077. The next prime is 546879121. The reversal of 546879089 is 980978645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 408040000 + 138839089 = 20200^2 + 11783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-546879089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (546879049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273439544 + 273439545.

It is an arithmetic number, because the mean of its divisors is an integer number (273439545).

Almost surely, 2^546879089 is an apocalyptic number.

It is an amenable number.

546879089 is a deficient number, since it is larger than the sum of its proper divisors (1).

546879089 is an equidigital number, since it uses as much as digits as its factorization.

546879089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The square root of 546879089 is about 23385.4460936712. The cubic root of 546879089 is about 817.7686156968.

The spelling of 546879089 in words is "five hundred forty-six million, eight hundred seventy-nine thousand, eighty-nine".