297087934865121 has 27 divisors (see below), whose sum is σ = 429485306800017. Its totient is φ = 197893396656360.

The previous prime is 297087934865101. The next prime is 297087934865207. The reversal of 297087934865121 is 121568439780792.

The square root of 297087934865121 is 17236239.

It is a perfect power (a square), and thus also a powerful number.

297087934865121 is a `hidden beast` number, since 2 + 9 + 7 + 0 + 8 + 7 + 93 + 486 + 51 + 2 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-297087934865121 is a prime.

It is a super-2 number, since 2×297087934865121² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 297087934865121.

It is not an unprimeable number, because it can be changed into a prime (297087934865101) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 123221871406 + ... + 123221873816.

It is a 2-persistent number, because it is pandigital, and so is 2⋅297087934865121 = 594175869730242, but 3⋅297087934865121 = 891263804595363 is not.

Almost surely, 2^{297087934865121} is an apocalyptic number.

297087934865121 is the 17236239-th square number.

297087934865121 is the 8618120-th centered octagonal number.

It is an amenable number.

297087934865121 is a deficient number, since it is larger than the sum of its proper divisors (132397371934896).

297087934865121 is an frugal number, since it uses more digits than its factorization.

297087934865121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9594 (or 4797 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 72.

The spelling of 297087934865121 in words is "two hundred ninety-seven trillion, eighty-seven billion, nine hundred thirty-four million, eight hundred sixty-five thousand, one hundred twenty-one".