3775005761 has 2 divisors, whose sum is σ = 3775005762. Its totient is φ = 3775005760.

The previous prime is 3775005743. The next prime is 3775005763. The reversal of 3775005761 is 1675005773.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2511914161 + 1263091600 = 50119^2 + 35540^2 .

It is a cyclic number.

It is not a de Polignac number, because 3775005761 - 2³⁰ = 2701263937 is a prime.

Together with 3775005763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3775005763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1887502880 + 1887502881.

It is an arithmetic number, because the mean of its divisors is an integer number (1887502881).

Almost surely, 2^3775005761 is an apocalyptic number.

It is an amenable number.

3775005761 is a deficient number, since it is larger than the sum of its proper divisors (1).

3775005761 is an equidigital number, since it uses as much as digits as its factorization.

3775005761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 154350, while the sum is 41.

The square root of 3775005761 is about 61441.0755195578. The cubic root of 3775005761 is about 1557.0618817227.

The spelling of 3775005761 in words is "three billion, seven hundred seventy-five million, five thousand, seven hundred sixty-one".