1012759665877 has 2 divisors, whose sum is σ = 1012759665878. Its totient is φ = 1012759665876.

The previous prime is 1012759665839. The next prime is 1012759665899. The reversal of 1012759665877 is 7785669572101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 606071592036 + 406688073841 = 778506^2 + 637721^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012759665877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012754665877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506379832938 + 506379832939.

It is an arithmetic number, because the mean of its divisors is an integer number (506379832939).

Almost surely, 2^{1012759665877} is an apocalyptic number.

It is an amenable number.

1012759665877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012759665877 is an equidigital number, since it uses as much as digits as its factorization.

1012759665877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44452800, while the sum is 64.

The spelling of 1012759665877 in words is "one trillion, twelve billion, seven hundred fifty-nine million, six hundred sixty-five thousand, eight hundred seventy-seven".