99897337 has 2 divisors, whose sum is σ = 99897338. Its totient is φ = 99897336.

The previous prime is 99897323. The next prime is 99897341. The reversal of 99897337 is 73379899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67963536 + 31933801 = 8244^2 + 5651^2 .

It is a cyclic number.

It is not a de Polignac number, because 99897337 - 2¹⁹ = 99373049 is a prime.

It is a super-3 number, since 3×99897337³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (99897377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49948668 + 49948669.

It is an arithmetic number, because the mean of its divisors is an integer number (49948669).

Almost surely, 2^99897337 is an apocalyptic number.

It is an amenable number.

99897337 is a deficient number, since it is larger than the sum of its proper divisors (1).

99897337 is an equidigital number, since it uses as much as digits as its factorization.

99897337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2571912, while the sum is 55.

The square root of 99897337 is about 9994.8655318618. The cubic root of 99897337 is about 463.9999891622. Note that the first 4 decimals are identical.

The spelling of 99897337 in words is "ninety-nine million, eight hundred ninety-seven thousand, three hundred thirty-seven".