77383 has 2 divisors, whose sum is σ = 77384. Its totient is φ = 77382.

The previous prime is 77377. The next prime is 77417. The reversal of 77383 is 38377.

It is a weak prime.

It is an emirp because it is prime and its reverse (38377) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77383 - 2⁵ = 77351 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38691 + 38692.

It is an arithmetic number, because the mean of its divisors is an integer number (38692).

2⁷⁷³⁸³ is an apocalyptic number.

77383 is a deficient number, since it is larger than the sum of its proper divisors (1).

77383 is an equidigital number, since it uses as much as digits as its factorization.

77383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 28.

The square root of 77383 is about 278.1780005680. The cubic root of 77383 is about 42.6136290306.

It can be divided in two parts, 7 and 7383, that multiplied together give a triangular number (51681 = T₃₂₁).

The spelling of 77383 in words is "seventy-seven thousand, three hundred eighty-three".