823988288 has 28 divisors (see below), whose sum is σ = 1639702080. Its totient is φ = 410835072.

The previous prime is 823988287. The next prime is 823988293. The reversal of 823988288 is 882889328.

It is a super-2 number, since 2×823988288² = 1357913397522341888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (823988287) 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, 5045 + ... + 40907.

Almost surely, 2^823988288 is an apocalyptic number.

It is an amenable number.

823988288 is a deficient number, since it is larger than the sum of its proper divisors (815713792).

823988288 is a wasteful number, since it uses less digits than its factorization.

823988288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36234 (or 36224 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 56.

The square root of 823988288 is about 28705.1961846632. The cubic root of 823988288 is about 937.5051877165.

The spelling of 823988288 in words is "eight hundred twenty-three million, nine hundred eighty-eight thousand, two hundred eighty-eight".