64212079 has 2 divisors, whose sum is σ = 64212080. Its totient is φ = 64212078.

The previous prime is 64212073. The next prime is 64212101. The reversal of 64212079 is 97021246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64212079 - 2⁵ = 64212047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64212079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64212073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32106039 + 32106040.

It is an arithmetic number, because the mean of its divisors is an integer number (32106040).

Almost surely, 2^64212079 is an apocalyptic number.

64212079 is a deficient number, since it is larger than the sum of its proper divisors (1).

64212079 is an equidigital number, since it uses as much as digits as its factorization.

64212079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 64212079 is about 8013.2439748207. The cubic root of 64212079 is about 400.4413441093.

It can be divided in two parts, 642 and 12079, that added together give a palindrome (12721).

The spelling of 64212079 in words is "sixty-four million, two hundred twelve thousand, seventy-nine".