779983 has 2 divisors, whose sum is σ = 779984. Its totient is φ = 779982.

The previous prime is 779981. The next prime is 779993. The reversal of 779983 is 389977.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 779983 - 2¹ = 779981 is a prime.

Together with 779981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (779981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389991 + 389992.

It is an arithmetic number, because the mean of its divisors is an integer number (389992).

2⁷⁷⁹⁹⁸³ is an apocalyptic number.

779983 is a deficient number, since it is larger than the sum of its proper divisors (1).

779983 is an equidigital number, since it uses as much as digits as its factorization.

779983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 43.

The square root of 779983 is about 883.1664622256. The cubic root of 779983 is about 92.0509720691.

The spelling of 779983 in words is "seven hundred seventy-nine thousand, nine hundred eighty-three".