4085811077 has 2 divisors, whose sum is σ = 4085811078. Its totient is φ = 4085811076.

The previous prime is 4085811061. The next prime is 4085811101. The reversal of 4085811077 is 7701185804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3749235361 + 336575716 = 61231^2 + 18346^2 .

It is a cyclic number.

It is not a de Polignac number, because 4085811077 - 2⁴ = 4085811061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4085811047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2042905538 + 2042905539.

It is an arithmetic number, because the mean of its divisors is an integer number (2042905539).

Almost surely, 2^4085811077 is an apocalyptic number.

It is an amenable number.

4085811077 is a deficient number, since it is larger than the sum of its proper divisors (1).

4085811077 is an equidigital number, since it uses as much as digits as its factorization.

4085811077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62720, while the sum is 41.

The square root of 4085811077 is about 63920.3494749520. The cubic root of 4085811077 is about 1598.6722157406.

The spelling of 4085811077 in words is "four billion, eighty-five million, eight hundred eleven thousand, seventy-seven".