544433987 has 2 divisors, whose sum is σ = 544433988. Its totient is φ = 544433986.

The previous prime is 544433971. The next prime is 544434017. The reversal of 544433987 is 789334445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 544433987 - 2⁴ = 544433971 is a prime.

It is not a weakly prime, because it can be changed into another prime (544433387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272216993 + 272216994.

It is an arithmetic number, because the mean of its divisors is an integer number (272216994).

Almost surely, 2^544433987 is an apocalyptic number.

544433987 is a deficient number, since it is larger than the sum of its proper divisors (1).

544433987 is an equidigital number, since it uses as much as digits as its factorization.

544433987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 47.

The square root of 544433987 is about 23333.1092441620. The cubic root of 544433987 is about 816.5480442081.

The spelling of 544433987 in words is "five hundred forty-four million, four hundred thirty-three thousand, nine hundred eighty-seven".