76809607793 has 2 divisors, whose sum is σ = 76809607794. Its totient is φ = 76809607792.

The previous prime is 76809607759. The next prime is 76809607801. The reversal of 76809607793 is 39770690867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76498155889 + 311451904 = 276583^2 + 17648^2 .

It is a cyclic number.

It is not a de Polignac number, because 76809607793 - 2⁶ = 76809607729 is a prime.

It is not a weakly prime, because it can be changed into another prime (76809607753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38404803896 + 38404803897.

It is an arithmetic number, because the mean of its divisors is an integer number (38404803897).

Almost surely, 2^76809607793 is an apocalyptic number.

It is an amenable number.

76809607793 is a deficient number, since it is larger than the sum of its proper divisors (1).

76809607793 is an equidigital number, since it uses as much as digits as its factorization.

76809607793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24004512, while the sum is 62.

The spelling of 76809607793 in words is "seventy-six billion, eight hundred nine million, six hundred seven thousand, seven hundred ninety-three".