823577052 has 36 divisors (see below), whose sum is σ = 1963499720. Its totient is φ = 268676064.

The previous prime is 823577039. The next prime is 823577057. The reversal of 823577052 is 250775328.

823577052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 823577052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823577057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10974 + ... + 42042.

Almost surely, 2^823577052 is an apocalyptic number.

It is an amenable number.

823577052 is an abundant number, since it is smaller than the sum of its proper divisors (1139922668).

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

823577052 is a wasteful number, since it uses less digits than its factorization.

823577052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31170 (or 31121 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 823577052 is about 28698.0321973476. The cubic root of 823577052 is about 937.3491984286.

The spelling of 823577052 in words is "eight hundred twenty-three million, five hundred seventy-seven thousand, fifty-two".