64797211 has 2 divisors, whose sum is σ = 64797212. Its totient is φ = 64797210.

The previous prime is 64797203. The next prime is 64797221. The reversal of 64797211 is 11279746.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64797211 - 2³ = 64797203 is a prime.

It is a super-3 number, since 3×64797211³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (64797221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32398605 + 32398606.

It is an arithmetic number, because the mean of its divisors is an integer number (32398606).

Almost surely, 2^64797211 is an apocalyptic number.

64797211 is a deficient number, since it is larger than the sum of its proper divisors (1).

64797211 is an equidigital number, since it uses as much as digits as its factorization.

64797211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 37.

The square root of 64797211 is about 8049.6714839800. The cubic root of 64797211 is about 401.6540074713.

The spelling of 64797211 in words is "sixty-four million, seven hundred ninety-seven thousand, two hundred eleven".