4394878306307 has 2 divisors, whose sum is σ = 4394878306308. Its totient is φ = 4394878306306.

The previous prime is 4394878306271. The next prime is 4394878306327. The reversal of 4394878306307 is 7036038784934.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4394878306307 - 2¹⁶ = 4394878240771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4394878306307.

It is not a weakly prime, because it can be changed into another prime (4394878306327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2197439153153 + 2197439153154.

It is an arithmetic number, because the mean of its divisors is an integer number (2197439153154).

Almost surely, 2^{4394878306307} is an apocalyptic number.

4394878306307 is a deficient number, since it is larger than the sum of its proper divisors (1).

4394878306307 is an equidigital number, since it uses as much as digits as its factorization.

4394878306307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73156608, while the sum is 62.

The spelling of 4394878306307 in words is "four trillion, three hundred ninety-four billion, eight hundred seventy-eight million, three hundred six thousand, three hundred seven".