4781771867 has 2 divisors, whose sum is σ = 4781771868. Its totient is φ = 4781771866.

The previous prime is 4781771851. The next prime is 4781771881. The reversal of 4781771867 is 7681771874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4781771867 - 2⁴ = 4781771851 is a prime.

It is not a weakly prime, because it can be changed into another prime (4781771837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2390885933 + 2390885934.

It is an arithmetic number, because the mean of its divisors is an integer number (2390885934).

Almost surely, 2^4781771867 is an apocalyptic number.

4781771867 is a deficient number, since it is larger than the sum of its proper divisors (1).

4781771867 is an equidigital number, since it uses as much as digits as its factorization.

4781771867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3687936, while the sum is 56.

The square root of 4781771867 is about 69150.3569549717. The cubic root of 4781771867 is about 1684.7273159809.

The spelling of 4781771867 in words is "four billion, seven hundred eighty-one million, seven hundred seventy-one thousand, eight hundred sixty-seven".