64893359 has 4 divisors (see below), whose sum is σ = 66117816. Its totient is φ = 63668904.

The previous prime is 64893343. The next prime is 64893377. The reversal of 64893359 is 95339846.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64893359 - 2⁴ = 64893343 is a prime.

It is a super-2 number, since 2×64893359² = 8422296084605762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64893559) 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 in 3 ways as a sum of consecutive naturals, for example, 612149 + ... + 612254.

It is an arithmetic number, because the mean of its divisors is an integer number (16529454).

Almost surely, 2^64893359 is an apocalyptic number.

64893359 is a deficient number, since it is larger than the sum of its proper divisors (1224457).

64893359 is a wasteful number, since it uses less digits than its factorization.

64893359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224456.

The product of its digits is 699840, while the sum is 47.

The square root of 64893359 is about 8055.6414393889. The cubic root of 64893359 is about 401.8525712864.

The spelling of 64893359 in words is "sixty-four million, eight hundred ninety-three thousand, three hundred fifty-nine".