77711713 has 2 divisors, whose sum is σ = 77711714. Its totient is φ = 77711712.

The previous prime is 77711693. The next prime is 77711719. The reversal of 77711713 is 31711777.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64513024 + 13198689 = 8032^2 + 3633^2 .

It is an emirp because it is prime and its reverse (31711777) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77711713 is a prime.

It is a super-2 number, since 2×77711713² = 12078220674788738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (77711719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38855856 + 38855857.

It is an arithmetic number, because the mean of its divisors is an integer number (38855857).

Almost surely, 2^77711713 is an apocalyptic number.

It is an amenable number.

77711713 is a deficient number, since it is larger than the sum of its proper divisors (1).

77711713 is an equidigital number, since it uses as much as digits as its factorization.

77711713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7203, while the sum is 34.

The square root of 77711713 is about 8815.4247203410. The cubic root of 77711713 is about 426.7388286013.

The spelling of 77711713 in words is "seventy-seven million, seven hundred eleven thousand, seven hundred thirteen".