997670800 has 60 divisors (see below), whose sum is σ = 2739326656. Its totient is φ = 342057600.

The previous prime is 997670777. The next prime is 997670801. The reversal of 997670800 is 8076799.

It is not an unprimeable number, because it can be changed into a prime (997670801) 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 11 ways as a sum of consecutive naturals, for example, 175356 + ... + 180955.

Almost surely, 2^997670800 is an apocalyptic number.

It is an amenable number.

997670800 is an abundant number, since it is smaller than the sum of its proper divisors (1741655856).

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

997670800 is a wasteful number, since it uses less digits than its factorization.

997670800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356336 (or 356325 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 997670800 is about 31585.9272461645. The cubic root of 997670800 is about 999.2229964218. Note that the first 3 decimals are identical.

The spelling of 997670800 in words is "nine hundred ninety-seven million, six hundred seventy thousand, eight hundred".