997755114192 has 80 divisors (see below), whose sum is σ = 2617560566592. Its totient is φ = 327426232320.

The previous prime is 997755114179. The next prime is 997755114193. The reversal of 997755114192 is 291411557799.

997755114192 is digitally balanced in base 2 and base 4, because in such bases 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 (997755114193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5366142 + ... + 5548962.

Almost surely, 2^997755114192 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 997755114192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1308780283296).

997755114192 is an abundant number, since it is smaller than the sum of its proper divisors (1619805452400).

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

997755114192 is a wasteful number, since it uses less digits than its factorization.

997755114192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184596 (or 184590 counting only the distinct ones).

The product of its digits is 7144200, while the sum is 60.

The spelling of 997755114192 in words is "nine hundred ninety-seven billion, seven hundred fifty-five million, one hundred fourteen thousand, one hundred ninety-two".