799878 has 16 divisors (see below), whose sum is σ = 1655280. Its totient is φ = 257376.

The previous prime is 799873. The next prime is 799891. The reversal of 799878 is 878997.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 799878.

It is not an unprimeable number, because it can be changed into a prime (799873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125 + ... + 2472.

It is an arithmetic number, because the mean of its divisors is an integer number (103455).

2⁷⁹⁹⁸⁷⁸ is an apocalyptic number.

799878 is an abundant number, since it is smaller than the sum of its proper divisors (855402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

799878 is a wasteful number, since it uses less digits than its factorization.

799878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631.

The product of its digits is 254016, while the sum is 48.

The square root of 799878 is about 894.3589883263. The cubic root of 799878 is about 92.8270574837.

The spelling of 799878 in words is "seven hundred ninety-nine thousand, eight hundred seventy-eight".