797771 has 8 divisors (see below), whose sum is σ = 868560. Its totient is φ = 728352.

The previous prime is 797767. The next prime is 797773. The reversal of 797771 is 177797.

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 797771 - 2² = 797767 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 797771.

It is not an unprimeable number, because it can be changed into a prime (797773) 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, 1136 + ... + 1698.

It is an arithmetic number, because the mean of its divisors is an integer number (108570).

2⁷⁹⁷⁷⁷¹ is an apocalyptic number.

797771 is a deficient number, since it is larger than the sum of its proper divisors (70789).

797771 is a wasteful number, since it uses less digits than its factorization.

797771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685.

The product of its digits is 21609, while the sum is 38.

The square root of 797771 is about 893.1802729573. The cubic root of 797771 is about 92.7454789610.

The spelling of 797771 in words is "seven hundred ninety-seven thousand, seven hundred seventy-one".