799771 has 8 divisors (see below), whose sum is σ = 929504. Its totient is φ = 673920.

The previous prime is 799759. The next prime is 799789. The reversal of 799771 is 177997.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 799771 - 2⁵ = 799739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (799741) 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, 510 + ... + 1363.

It is an arithmetic number, because the mean of its divisors is an integer number (116188).

2⁷⁹⁹⁷⁷¹ is an apocalyptic number.

799771 is a deficient number, since it is larger than the sum of its proper divisors (129733).

799771 is a wasteful number, since it uses less digits than its factorization.

799771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941.

The product of its digits is 27783, while the sum is 40.

The square root of 799771 is about 894.2991669458. The cubic root of 799771 is about 92.8229181283.

The spelling of 799771 in words is "seven hundred ninety-nine thousand, seven hundred seventy-one".