64332487 has 2 divisors, whose sum is σ = 64332488. Its totient is φ = 64332486.

The previous prime is 64332473. The next prime is 64332509. The reversal of 64332487 is 78423346.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64332487 - 2²³ = 55943879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64332427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32166243 + 32166244.

It is an arithmetic number, because the mean of its divisors is an integer number (32166244).

Almost surely, 2^64332487 is an apocalyptic number.

64332487 is a deficient number, since it is larger than the sum of its proper divisors (1).

64332487 is an equidigital number, since it uses as much as digits as its factorization.

64332487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 37.

The square root of 64332487 is about 8020.7535182176. The cubic root of 64332487 is about 400.6914851818.

The spelling of 64332487 in words is "sixty-four million, three hundred thirty-two thousand, four hundred eighty-seven".