64328479 has 2 divisors, whose sum is σ = 64328480. Its totient is φ = 64328478.

The previous prime is 64328461. The next prime is 64328489. The reversal of 64328479 is 97482346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64328479 - 2¹³ = 64320287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64328449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32164239 + 32164240.

It is an arithmetic number, because the mean of its divisors is an integer number (32164240).

Almost surely, 2^64328479 is an apocalyptic number.

64328479 is a deficient number, since it is larger than the sum of its proper divisors (1).

64328479 is an equidigital number, since it uses as much as digits as its factorization.

64328479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The square root of 64328479 is about 8020.5036624890. The cubic root of 64328479 is about 400.6831638038.

The spelling of 64328479 in words is "sixty-four million, three hundred twenty-eight thousand, four hundred seventy-nine".