64771235327 has 2 divisors, whose sum is σ = 64771235328. Its totient is φ = 64771235326.

The previous prime is 64771235267. The next prime is 64771235363. The reversal of 64771235327 is 72353217746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64771235327 - 2⁸ = 64771235071 is a prime.

It is a super-2 number, since 2×64771235327² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64771232327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32385617663 + 32385617664.

It is an arithmetic number, because the mean of its divisors is an integer number (32385617664).

Almost surely, 2^64771235327 is an apocalyptic number.

64771235327 is a deficient number, since it is larger than the sum of its proper divisors (1).

64771235327 is an equidigital number, since it uses as much as digits as its factorization.

64771235327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1481760, while the sum is 47.

The spelling of 64771235327 in words is "sixty-four billion, seven hundred seventy-one million, two hundred thirty-five thousand, three hundred twenty-seven".