77511713 has 2 divisors, whose sum is σ = 77511714. Its totient is φ = 77511712.

The previous prime is 77511703. The next prime is 77511727. The reversal of 77511713 is 31711577.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45792289 + 31719424 = 6767^2 + 5632^2 .

It is an emirp because it is prime and its reverse (31711577) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77511713 - 2¹⁰ = 77510689 is a prime.

It is equal to p_4532684 and since 77511713 and 4532684 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77511713.

It is not a weakly prime, because it can be changed into another prime (77511703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38755856 + 38755857.

It is an arithmetic number, because the mean of its divisors is an integer number (38755857).

Almost surely, 2^77511713 is an apocalyptic number.

It is an amenable number.

77511713 is a deficient number, since it is larger than the sum of its proper divisors (1).

77511713 is an equidigital number, since it uses as much as digits as its factorization.

77511713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5145, while the sum is 32.

The square root of 77511713 is about 8804.0736593920. The cubic root of 77511713 is about 426.3724270011.

The spelling of 77511713 in words is "seventy-seven million, five hundred eleven thousand, seven hundred thirteen".