77827533843823 has 2 divisors, whose sum is σ = 77827533843824. Its totient is φ = 77827533843822.

The previous prime is 77827533843799. The next prime is 77827533843841. The reversal of 77827533843823 is 32834833572877.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77827533843823 is a prime.

It is a super-3 number, since 3×77827533843823³ (a number of 43 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 (77827533843883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38913766921911 + 38913766921912.

It is an arithmetic number, because the mean of its divisors is an integer number (38913766921912).

Almost surely, 2^{77827533843823} is an apocalyptic number.

77827533843823 is a deficient number, since it is larger than the sum of its proper divisors (1).

77827533843823 is an equidigital number, since it uses as much as digits as its factorization.

77827533843823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1137991680, while the sum is 70.

The spelling of 77827533843823 in words is "seventy-seven trillion, eight hundred twenty-seven billion, five hundred thirty-three million, eight hundred forty-three thousand, eight hundred twenty-three".