77283 has 12 divisors (see below), whose sum is σ = 115648. Its totient is φ = 49680.

The previous prime is 77279. The next prime is 77291. The reversal of 77283 is 38277.

77283 is nontrivially palindromic in base 12.

It is a Cunningham number, because it is equal to 278²-1.

It is not a de Polignac number, because 77283 - 2² = 77279 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141 + ... + 417.

2⁷⁷²⁸³ is an apocalyptic number.

77283 is a deficient number, since it is larger than the sum of its proper divisors (38365).

77283 is a wasteful number, since it uses less digits than its factorization.

77283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 311 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 77283 is about 277.9982014330. The cubic root of 77283 is about 42.5952649634.

The spelling of 77283 in words is "seventy-seven thousand, two hundred eighty-three".