77752203631793 has 2 divisors, whose sum is σ = 77752203631794. Its totient is φ = 77752203631792.

The previous prime is 77752203631783. The next prime is 77752203631819. The reversal of 77752203631793 is 39713630225777.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48074365210624 + 29677838421169 = 6933568^2 + 5447737^2 .

It is a cyclic number.

It is not a de Polignac number, because 77752203631793 - 2¹⁴ = 77752203615409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (77752203631723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38876101815896 + 38876101815897.

It is an arithmetic number, because the mean of its divisors is an integer number (38876101815897).

Almost surely, 2^{77752203631793} is an apocalyptic number.

It is an amenable number.

77752203631793 is a deficient number, since it is larger than the sum of its proper divisors (1).

77752203631793 is an equidigital number, since it uses as much as digits as its factorization.

77752203631793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70013160, while the sum is 62.

The spelling of 77752203631793 in words is "seventy-seven trillion, seven hundred fifty-two billion, two hundred three million, six hundred thirty-one thousand, seven hundred ninety-three".