997336910747124 has 144 divisors (see below), whose sum is σ = 2713315544096976. Its totient is φ = 307736514662400.

The previous prime is 997336910747077. The next prime is 997336910747131. The reversal of 997336910747124 is 421747019633799.

997336910747124 is a `hidden beast` number, since 9 + 9 + 73 + 3 + 69 + 1 + 0 + 7 + 471 + 24 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 13005269863524 + 984331640883600 = 3606282^2 + 31374060^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 477591714 + ... + 479675430.

It is an arithmetic number, because the mean of its divisors is an integer number (18842469056229).

Almost surely, 2^{997336910747124} 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 997336910747124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356657772048488).

997336910747124 is an abundant number, since it is smaller than the sum of its proper divisors (1715978633349852).

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

997336910747124 is a wasteful number, since it uses less digits than its factorization.

997336910747124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096626 (or 2096621 counting only the distinct ones).

The product of its (nonzero) digits is 432081216, while the sum is 72.

The spelling of 997336910747124 in words is "nine hundred ninety-seven trillion, three hundred thirty-six billion, nine hundred ten million, seven hundred forty-seven thousand, one hundred twenty-four".