997754112 has 216 divisors, whose sum is σ = 3060881824. Its totient is φ = 323979264.

The previous prime is 997754111. The next prime is 997754129. The reversal of 997754112 is 211457799.

997754112 is a `hidden beast` number, since 9 + 97 + 7 + 541 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997754111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2674758 + ... + 2675130.

Almost surely, 2^997754112 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 997754112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1530440912).

997754112 is an abundant number, since it is smaller than the sum of its proper divisors (2063127712).

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

997754112 is an equidigital number, since it uses as much as digits as its factorization.

997754112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 421 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The square root of 997754112 is about 31587.2460338029. The cubic root of 997754112 is about 999.2508095205.

The spelling of 997754112 in words is "nine hundred ninety-seven million, seven hundred fifty-four thousand, one hundred twelve".