77714317 has 2 divisors, whose sum is σ = 77714318. Its totient is φ = 77714316.

The previous prime is 77714297. The next prime is 77714323. The reversal of 77714317 is 71341777.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75585636 + 2128681 = 8694^2 + 1459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77714317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77711317) 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, 38857158 + 38857159.

It is an arithmetic number, because the mean of its divisors is an integer number (38857159).

Almost surely, 2^77714317 is an apocalyptic number.

It is an amenable number.

77714317 is a deficient number, since it is larger than the sum of its proper divisors (1).

77714317 is an equidigital number, since it uses as much as digits as its factorization.

77714317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28812, while the sum is 37.

The square root of 77714317 is about 8815.5724147670. The cubic root of 77714317 is about 426.7435950021.

The spelling of 77714317 in words is "seventy-seven million, seven hundred fourteen thousand, three hundred seventeen".