997327608 has 32 divisors (see below), whose sum is σ = 2504034000. Its totient is φ = 331013888.

The previous prime is 997327579. The next prime is 997327609. The reversal of 997327608 is 806723799.

997327608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997327609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83583 + ... + 94766.

Almost surely, 2^997327608 is an apocalyptic number.

It is an amenable number.

997327608 is an abundant number, since it is smaller than the sum of its proper divisors (1506706392).

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

997327608 is a wasteful number, since it uses less digits than its factorization.

997327608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178591 (or 178587 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 997327608 is about 31580.4941063309. The cubic root of 997327608 is about 999.1084079666.

The spelling of 997327608 in words is "nine hundred ninety-seven million, three hundred twenty-seven thousand, six hundred eight".