4779920771 has 2 divisors, whose sum is σ = 4779920772. Its totient is φ = 4779920770.

The previous prime is 4779920749. The next prime is 4779920779. The reversal of 4779920771 is 1770299774.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4779920771 - 2¹⁸ = 4779658627 is a prime.

It is not a weakly prime, because it can be changed into another prime (4779920779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2389960385 + 2389960386.

It is an arithmetic number, because the mean of its divisors is an integer number (2389960386).

Almost surely, 2^4779920771 is an apocalyptic number.

4779920771 is a deficient number, since it is larger than the sum of its proper divisors (1).

4779920771 is an equidigital number, since it uses as much as digits as its factorization.

4779920771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555848, while the sum is 53.

The square root of 4779920771 is about 69136.9710863876. The cubic root of 4779920771 is about 1684.5098934726.

The spelling of 4779920771 in words is "four billion, seven hundred seventy-nine million, nine hundred twenty thousand, seven hundred seventy-one".