76745604197 has 2 divisors, whose sum is σ = 76745604198. Its totient is φ = 76745604196.

The previous prime is 76745604029. The next prime is 76745604233. The reversal of 76745604197 is 79140654767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75562312996 + 1183291201 = 274886^2 + 34399^2 .

It is an emirp because it is prime and its reverse (79140654767) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76745604197 - 2²⁰ = 76744555621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76745601197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38372802098 + 38372802099.

It is an arithmetic number, because the mean of its divisors is an integer number (38372802099).

Almost surely, 2^76745604197 is an apocalyptic number.

It is an amenable number.

76745604197 is a deficient number, since it is larger than the sum of its proper divisors (1).

76745604197 is an equidigital number, since it uses as much as digits as its factorization.

76745604197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 76745604197 in words is "seventy-six billion, seven hundred forty-five million, six hundred four thousand, one hundred ninety-seven".