647027011 has 2 divisors, whose sum is σ = 647027012. Its totient is φ = 647027010.

The previous prime is 647026993. The next prime is 647027131. The reversal of 647027011 is 110720746.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 647027011 - 2¹⁷ = 646895939 is a prime.

It is not a weakly prime, because it can be changed into another prime (647027411) 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, 323513505 + 323513506.

It is an arithmetic number, because the mean of its divisors is an integer number (323513506).

Almost surely, 2^647027011 is an apocalyptic number.

647027011 is a deficient number, since it is larger than the sum of its proper divisors (1).

647027011 is an equidigital number, since it uses as much as digits as its factorization.

647027011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 647027011 is about 25436.7256344051. The cubic root of 647027011 is about 864.9164101122.

Adding to 647027011 its reverse (110720746), we get a palindrome (757747757).

The spelling of 647027011 in words is "six hundred forty-seven million, twenty-seven thousand, eleven".