64755797 has 2 divisors, whose sum is σ = 64755798. Its totient is φ = 64755796.

The previous prime is 64755793. The next prime is 64755871. The reversal of 64755797 is 79755746.

64755797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63377521 + 1378276 = 7961^2 + 1174^2 .

It is a cyclic number.

It is not a de Polignac number, because 64755797 - 2² = 64755793 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64755793) 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, 32377898 + 32377899.

It is an arithmetic number, because the mean of its divisors is an integer number (32377899).

Almost surely, 2^64755797 is an apocalyptic number.

It is an amenable number.

64755797 is a deficient number, since it is larger than the sum of its proper divisors (1).

64755797 is an equidigital number, since it uses as much as digits as its factorization.

64755797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1852200, while the sum is 50.

The square root of 64755797 is about 8047.0986697070. The cubic root of 64755797 is about 401.5684191984.

The spelling of 64755797 in words is "sixty-four million, seven hundred fifty-five thousand, seven hundred ninety-seven".