788779 has 2 divisors, whose sum is σ = 788780. Its totient is φ = 788778.

The previous prime is 788761. The next prime is 788789. The reversal of 788779 is 977887.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 788779 - 2⁷ = 788651 is a prime.

It is not a weakly prime, because it can be changed into another prime (788719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394389 + 394390.

It is an arithmetic number, because the mean of its divisors is an integer number (394390).

2⁷⁸⁸⁷⁷⁹ is an apocalyptic number.

788779 is a deficient number, since it is larger than the sum of its proper divisors (1).

788779 is an equidigital number, since it uses as much as digits as its factorization.

788779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 46.

The square root of 788779 is about 888.1323099629. The cubic root of 788779 is about 92.3957042161.

The spelling of 788779 in words is "seven hundred eighty-eight thousand, seven hundred seventy-nine".