4125487777 has 2 divisors, whose sum is σ = 4125487778. Its totient is φ = 4125487776.

The previous prime is 4125487747. The next prime is 4125487787. The reversal of 4125487777 is 7777845214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3949368336 + 176119441 = 62844^2 + 13271^2 .

It is a cyclic number.

It is not a de Polignac number, because 4125487777 - 2⁷ = 4125487649 is a prime.

It is not a weakly prime, because it can be changed into another prime (4125487747) 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, 2062743888 + 2062743889.

It is an arithmetic number, because the mean of its divisors is an integer number (2062743889).

Almost surely, 2^4125487777 is an apocalyptic number.

It is an amenable number.

4125487777 is a deficient number, since it is larger than the sum of its proper divisors (1).

4125487777 is an equidigital number, since it uses as much as digits as its factorization.

4125487777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3073280, while the sum is 52.

The square root of 4125487777 is about 64229.9601198693. The cubic root of 4125487777 is about 1603.8303771114.

The spelling of 4125487777 in words is "four billion, one hundred twenty-five million, four hundred eighty-seven thousand, seven hundred seventy-seven".