76505314877 has 2 divisors, whose sum is σ = 76505314878. Its totient is φ = 76505314876.

The previous prime is 76505314859. The next prime is 76505314883. The reversal of 76505314877 is 77841350567.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54638595001 + 21866719876 = 233749^2 + 147874^2 .

It is an emirp because it is prime and its reverse (77841350567) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76505314877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76505314777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38252657438 + 38252657439.

It is an arithmetic number, because the mean of its divisors is an integer number (38252657439).

Almost surely, 2^76505314877 is an apocalyptic number.

It is an amenable number.

76505314877 is a deficient number, since it is larger than the sum of its proper divisors (1).

76505314877 is an equidigital number, since it uses as much as digits as its factorization.

76505314877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4939200, while the sum is 53.

The spelling of 76505314877 in words is "seventy-six billion, five hundred five million, three hundred fourteen thousand, eight hundred seventy-seven".