797764 has 12 divisors (see below), whose sum is σ = 1523088. Its totient is φ = 362600.

The previous prime is 797747. The next prime is 797767. The reversal of 797764 is 467797.

It is a happy number.

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

797764 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9022 + ... + 9109.

It is an arithmetic number, because the mean of its divisors is an integer number (126924).

2⁷⁹⁷⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

797764 is a deficient number, since it is larger than the sum of its proper divisors (725324).

797764 is a wasteful number, since it uses less digits than its factorization.

797764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18146 (or 18144 counting only the distinct ones).

The product of its digits is 74088, while the sum is 40.

The square root of 797764 is about 893.1763543668. The cubic root of 797764 is about 92.7452076967.

The spelling of 797764 in words is "seven hundred ninety-seven thousand, seven hundred sixty-four".