997318700 has 144 divisors (see below), whose sum is σ = 2597542080. Its totient is φ = 325140480.

The previous prime is 997318691. The next prime is 997318711. The reversal of 997318700 is 7813799.

997318700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1481564 + ... + 1482236.

Almost surely, 2^997318700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 997318700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1298771040).

997318700 is an abundant number, since it is smaller than the sum of its proper divisors (1600223380).

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

997318700 is a wasteful number, since it uses less digits than its factorization.

997318700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 997318700 is about 31580.3530695906. The cubic root of 997318700 is about 999.1054333224.

The spelling of 997318700 in words is "nine hundred ninety-seven million, three hundred eighteen thousand, seven hundred".