785879 has 2 divisors, whose sum is σ = 785880. Its totient is φ = 785878.

The previous prime is 785861. The next prime is 785903. The reversal of 785879 is 978587.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 785879 - 2⁸ = 785623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (785809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392939 + 392940.

It is an arithmetic number, because the mean of its divisors is an integer number (392940).

2⁷⁸⁵⁸⁷⁹ is an apocalyptic number.

785879 is a deficient number, since it is larger than the sum of its proper divisors (1).

785879 is an equidigital number, since it uses as much as digits as its factorization.

785879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 44.

The square root of 785879 is about 886.4981669468. The cubic root of 785879 is about 92.2823321181.

The spelling of 785879 in words is "seven hundred eighty-five thousand, eight hundred seventy-nine".