997033885 has 8 divisors (see below), whose sum is σ = 1196616960. Its totient is φ = 797509584.

The previous prime is 997033883. The next prime is 997033903. The reversal of 997033885 is 588330799.

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

It is a cyclic number.

It is not a de Polignac number, because 997033885 - 2¹ = 997033883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997033883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43824 + ... + 62566.

It is an arithmetic number, because the mean of its divisors is an integer number (149577120).

Almost surely, 2^997033885 is an apocalyptic number.

It is an amenable number.

997033885 is a deficient number, since it is larger than the sum of its proper divisors (199583075).

997033885 is a wasteful number, since it uses less digits than its factorization.

997033885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29387.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 997033885 is about 31575.8433774935. The cubic root of 997033885 is about 999.0103158484.

The spelling of 997033885 in words is "nine hundred ninety-seven million, thirty-three thousand, eight hundred eighty-five".