64783339 has 8 divisors (see below), whose sum is σ = 66047072. Its totient is φ = 63529920.

The previous prime is 64783333. The next prime is 64783349. The reversal of 64783339 is 93338746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64783339 - 2⁵ = 64783307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64783295 and 64783304.

It is not an unprimeable number, because it can be changed into a prime (64783333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10762 + ... + 15664.

It is an arithmetic number, because the mean of its divisors is an integer number (8255884).

Almost surely, 2^64783339 is an apocalyptic number.

64783339 is a deficient number, since it is larger than the sum of its proper divisors (1263733).

64783339 is a wasteful number, since it uses less digits than its factorization.

64783339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157.

The product of its digits is 326592, while the sum is 43.

The square root of 64783339 is about 8048.8097877885. The cubic root of 64783339 is about 401.6253429554.

The spelling of 64783339 in words is "sixty-four million, seven hundred eighty-three thousand, three hundred thirty-nine".