7555075757797 has 2 divisors, whose sum is σ = 7555075757798. Its totient is φ = 7555075757796.

The previous prime is 7555075757771. The next prime is 7555075757821. The reversal of 7555075757797 is 7977575705557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6285219477156 + 1269856280641 = 2507034^2 + 1126879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7555075757797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7555075757597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3777537878898 + 3777537878899.

It is an arithmetic number, because the mean of its divisors is an integer number (3777537878899).

Almost surely, 2^{7555075757797} is an apocalyptic number.

It is an amenable number.

7555075757797 is a deficient number, since it is larger than the sum of its proper divisors (1).

7555075757797 is an equidigital number, since it uses as much as digits as its factorization.

7555075757797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3308878125, while the sum is 76.

The spelling of 7555075757797 in words is "seven trillion, five hundred fifty-five billion, seventy-five million, seven hundred fifty-seven thousand, seven hundred ninety-seven".