64783078307 has 2 divisors, whose sum is σ = 64783078308. Its totient is φ = 64783078306.

The previous prime is 64783078273. The next prime is 64783078309. The reversal of 64783078307 is 70387038746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64783078307 - 2⁸ = 64783078051 is a prime.

Together with 64783078309, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64783078309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32391539153 + 32391539154.

It is an arithmetic number, because the mean of its divisors is an integer number (32391539154).

Almost surely, 2^64783078307 is an apocalyptic number.

64783078307 is a deficient number, since it is larger than the sum of its proper divisors (1).

64783078307 is an equidigital number, since it uses as much as digits as its factorization.

64783078307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 64783078307 in words is "sixty-four billion, seven hundred eighty-three million, seventy-eight thousand, three hundred seven".