201077645771 has 2 divisors, whose sum is σ = 201077645772. Its totient is φ = 201077645770.

The previous prime is 201077645761. The next prime is 201077645777. The reversal of 201077645771 is 177546770102.

201077645771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201077645771 is a prime.

It is not a weakly prime, because it can be changed into another prime (201077645777) 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, 100538822885 + 100538822886.

It is an arithmetic number, because the mean of its divisors is an integer number (100538822886).

Almost surely, 2^201077645771 is an apocalyptic number.

201077645771 is a deficient number, since it is larger than the sum of its proper divisors (1).

201077645771 is an equidigital number, since it uses as much as digits as its factorization.

201077645771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576240, while the sum is 47.

The spelling of 201077645771 in words is "two hundred one billion, seventy-seven million, six hundred forty-five thousand, seven hundred seventy-one".