77093808811 has 2 divisors, whose sum is σ = 77093808812. Its totient is φ = 77093808810.

The previous prime is 77093808809. The next prime is 77093808907. The reversal of 77093808811 is 11880839077.

It is a weak prime.

It is an emirp because it is prime and its reverse (11880839077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77093808811 - 2¹ = 77093808809 is a prime.

Together with 77093808809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (77093803811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38546904405 + 38546904406.

It is an arithmetic number, because the mean of its divisors is an integer number (38546904406).

Almost surely, 2^77093808811 is an apocalyptic number.

77093808811 is a deficient number, since it is larger than the sum of its proper divisors (1).

77093808811 is an equidigital number, since it uses as much as digits as its factorization.

77093808811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 52.

The spelling of 77093808811 in words is "seventy-seven billion, ninety-three million, eight hundred eight thousand, eight hundred eleven".