77115567383 has 2 divisors, whose sum is σ = 77115567384. Its totient is φ = 77115567382.

The previous prime is 77115567313. The next prime is 77115567461. The reversal of 77115567383 is 38376551177.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77115567383 - 2²⁶ = 77048458519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77115567313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38557783691 + 38557783692.

It is an arithmetic number, because the mean of its divisors is an integer number (38557783692).

Almost surely, 2^77115567383 is an apocalyptic number.

77115567383 is a deficient number, since it is larger than the sum of its proper divisors (1).

77115567383 is an equidigital number, since it uses as much as digits as its factorization.

77115567383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3704400, while the sum is 53.

The spelling of 77115567383 in words is "seventy-seven billion, one hundred fifteen million, five hundred sixty-seven thousand, three hundred eighty-three".