77776327 has 2 divisors, whose sum is σ = 77776328. Its totient is φ = 77776326.

The previous prime is 77776319. The next prime is 77776333. The reversal of 77776327 is 72367777.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77776327 - 2³ = 77776319 is a prime.

It is a super-3 number, since 3×77776327³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77776357) 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, 38888163 + 38888164.

It is an arithmetic number, because the mean of its divisors is an integer number (38888164).

Almost surely, 2^77776327 is an apocalyptic number.

77776327 is a deficient number, since it is larger than the sum of its proper divisors (1).

77776327 is an equidigital number, since it uses as much as digits as its factorization.

77776327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 605052, while the sum is 46.

The square root of 77776327 is about 8819.0887851297. The cubic root of 77776327 is about 426.8570675949.

The spelling of 77776327 in words is "seventy-seven million, seven hundred seventy-six thousand, three hundred twenty-seven".