823329764 has 12 divisors (see below), whose sum is σ = 1441195644. Its totient is φ = 411559584.

The previous prime is 823329763. The next prime is 823329791. The reversal of 823329764 is 467923328.

It can be written as a sum of positive squares in 2 ways, for example, as 353740864 + 469588900 = 18808^2 + 21670^2 .

It is not an unprimeable number, because it can be changed into a prime (823329761) 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, 7187 + ... + 41210.

It is an arithmetic number, because the mean of its divisors is an integer number (120099637).

Almost surely, 2^823329764 is an apocalyptic number.

It is an amenable number.

823329764 is a deficient number, since it is larger than the sum of its proper divisors (617865880).

823329764 is a wasteful number, since it uses less digits than its factorization.

823329764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52654 (or 52652 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 823329764 is about 28693.7234251674. The cubic root of 823329764 is about 937.2553725942.

The spelling of 823329764 in words is "eight hundred twenty-three million, three hundred twenty-nine thousand, seven hundred sixty-four".