4678491771 has 48 divisors (see below), whose sum is σ = 7336231200. Its totient is φ = 2946310848.

The previous prime is 4678491757. The next prime is 4678491833. The reversal of 4678491771 is 1771948764.

It is a happy number.

4678491771 is a `hidden beast` number, since 467 + 8 + 4 + 9 + 177 + 1 = 666.

It is not a de Polignac number, because 4678491771 - 2¹⁷ = 4678360699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4678491721) 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 in 47 ways as a sum of consecutive naturals, for example, 6598365 + ... + 6599073.

It is an arithmetic number, because the mean of its divisors is an integer number (152838150).

Almost surely, 2^4678491771 is an apocalyptic number.

4678491771 is a deficient number, since it is larger than the sum of its proper divisors (2657739429).

4678491771 is a wasteful number, since it uses less digits than its factorization.

4678491771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433 (or 1408 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 54.

The square root of 4678491771 is about 68399.5012481816. The cubic root of 4678491771 is about 1672.5096156619.

The spelling of 4678491771 in words is "four billion, six hundred seventy-eight million, four hundred ninety-one thousand, seven hundred seventy-one".