4779909947 has 2 divisors, whose sum is σ = 4779909948. Its totient is φ = 4779909946.

The previous prime is 4779909943. The next prime is 4779910001. The reversal of 4779909947 is 7499099774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4779909947 - 2² = 4779909943 is a prime.

It is not a weakly prime, because it can be changed into another prime (4779909943) 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, 2389954973 + 2389954974.

It is an arithmetic number, because the mean of its divisors is an integer number (2389954974).

Almost surely, 2^4779909947 is an apocalyptic number.

4779909947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4779909947 is an equidigital number, since it uses as much as digits as its factorization.

4779909947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36006768, while the sum is 65.

The square root of 4779909947 is about 69136.8928069522. The cubic root of 4779909947 is about 1684.5086219628.

The spelling of 4779909947 in words is "four billion, seven hundred seventy-nine million, nine hundred nine thousand, nine hundred forty-seven".