275375474247077 has 2 divisors, whose sum is σ = 275375474247078. Its totient is φ = 275375474247076.

The previous prime is 275375474247073. The next prime is 275375474247079. The reversal of 275375474247077 is 770742474573572.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252778010212036 + 22597464035041 = 15898994^2 + 4753679^2 .

It is a cyclic number.

It is not a de Polignac number, because 275375474247077 - 2² = 275375474247073 is a prime.

Together with 275375474247079, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 275375474247077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275375474247073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137687737123538 + 137687737123539.

It is an arithmetic number, because the mean of its divisors is an integer number (137687737123539).

Almost surely, 2^{275375474247077} is an apocalyptic number.

It is an amenable number.

275375474247077 is a deficient number, since it is larger than the sum of its proper divisors (1).

275375474247077 is an equidigital number, since it uses as much as digits as its factorization.

275375474247077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2258860800, while the sum is 71.

The spelling of 275375474247077 in words is "two hundred seventy-five trillion, three hundred seventy-five billion, four hundred seventy-four million, two hundred forty-seven thousand, seventy-seven".