1040774075777 has 2 divisors, whose sum is σ = 1040774075778. Its totient is φ = 1040774075776.

The previous prime is 1040774075657. The next prime is 1040774075843. The reversal of 1040774075777 is 7775704770401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1036698657856 + 4075417921 = 1018184^2 + 63839^2 .

It is an emirp because it is prime and its reverse (7775704770401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1040774075777 - 2¹⁸ = 1040773813633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1040774075977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520387037888 + 520387037889.

It is an arithmetic number, because the mean of its divisors is an integer number (520387037889).

Almost surely, 2^{1040774075777} is an apocalyptic number.

It is an amenable number.

1040774075777 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040774075777 is an equidigital number, since it uses as much as digits as its factorization.

1040774075777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9411920, while the sum is 56.

The spelling of 1040774075777 in words is "one trillion, forty billion, seven hundred seventy-four million, seventy-five thousand, seven hundred seventy-seven".