297853000000 has 98 divisors (see below), whose sum is σ = 738808082198. Its totient is φ = 119140800000.

The previous prime is 297852999949. The next prime is 297853000007. The reversal of 297853000000 is 358792.

It can be written as a sum of positive squares in 7 ways, for example, as 297740470336 + 112529664 = 545656^2 + 10608^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 297853000000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297853000007) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 851074 + ... + 1148926.

Almost surely, 2^297853000000 is an apocalyptic number.

297853000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 297853000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369404041099).

297853000000 is an abundant number, since it is smaller than the sum of its proper divisors (440955082198).

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

297853000000 is an frugal number, since it uses more digits than its factorization.

297853000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297895 (or 297860 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

Adding to 297853000000 its reverse (358792), we get a palindrome (297853358792).

The spelling of 297853000000 in words is "two hundred ninety-seven billion, eight hundred fifty-three million", and thus it is an aban number.