797766 has 8 divisors (see below), whose sum is σ = 1595544. Its totient is φ = 265920.

The previous prime is 797747. The next prime is 797767. The reversal of 797766 is 667797.

797766 = 131² + 132² + ... + 166².

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

797766 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66475 + ... + 66486.

It is an arithmetic number, because the mean of its divisors is an integer number (199443).

2⁷⁹⁷⁷⁶⁶ is an apocalyptic number.

797766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

797766 is a wasteful number, since it uses less digits than its factorization.

797766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132966.

The product of its digits is 111132, while the sum is 42.

The square root of 797766 is about 893.1774739658. The cubic root of 797766 is about 92.7452852010.

The spelling of 797766 in words is "seven hundred ninety-seven thousand, seven hundred sixty-six".