799881 has 8 divisors (see below), whose sum is σ = 1122720. Its totient is φ = 505152.

The previous prime is 799873. The next prime is 799891. The reversal of 799881 is 188997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 799881 - 2³ = 799873 is a prime.

It is a super-2 number, since 2×799881² = 1279619228322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (799801) 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, 6960 + ... + 7073.

It is an arithmetic number, because the mean of its divisors is an integer number (140340).

2⁷⁹⁹⁸⁸¹ is an apocalyptic number.

It is an amenable number.

799881 is a deficient number, since it is larger than the sum of its proper divisors (322839).

799881 is a wasteful number, since it uses less digits than its factorization.

799881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14055.

The product of its digits is 36288, while the sum is 42.

The square root of 799881 is about 894.3606655036. The cubic root of 799881 is about 92.8271735351.

The spelling of 799881 in words is "seven hundred ninety-nine thousand, eight hundred eighty-one".