544343887 has 2 divisors, whose sum is σ = 544343888. Its totient is φ = 544343886.

The previous prime is 544343873. The next prime is 544343903. The reversal of 544343887 is 788343445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 544343887 - 2⁷ = 544343759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544343287) 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, 272171943 + 272171944.

It is an arithmetic number, because the mean of its divisors is an integer number (272171944).

Almost surely, 2^544343887 is an apocalyptic number.

544343887 is a deficient number, since it is larger than the sum of its proper divisors (1).

544343887 is an equidigital number, since it uses as much as digits as its factorization.

544343887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 46.

The square root of 544343887 is about 23331.1784314466. The cubic root of 544343887 is about 816.5029974014.

The spelling of 544343887 in words is "five hundred forty-four million, three hundred forty-three thousand, eight hundred eighty-seven".