4526128777 has 2 divisors, whose sum is σ = 4526128778. Its totient is φ = 4526128776.

The previous prime is 4526128769. The next prime is 4526128793. The reversal of 4526128777 is 7778216254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4104196096 + 421932681 = 64064^2 + 20541^2 .

It is a cyclic number.

It is not a de Polignac number, because 4526128777 - 2³ = 4526128769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4526128777.

It is not a weakly prime, because it can be changed into another prime (4526128877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2263064388 + 2263064389.

It is an arithmetic number, because the mean of its divisors is an integer number (2263064389).

Almost surely, 2^4526128777 is an apocalyptic number.

It is an amenable number.

4526128777 is a deficient number, since it is larger than the sum of its proper divisors (1).

4526128777 is an equidigital number, since it uses as much as digits as its factorization.

4526128777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1317120, while the sum is 49.

The square root of 4526128777 is about 67276.5098455620. The cubic root of 4526128777 is about 1654.1528420202.

The spelling of 4526128777 in words is "four billion, five hundred twenty-six million, one hundred twenty-eight thousand, seven hundred seventy-seven".