297872879827 has 2 divisors, whose sum is σ = 297872879828. Its totient is φ = 297872879826.

The previous prime is 297872879797. The next prime is 297872879849. The reversal of 297872879827 is 728978278792.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-297872879827 is a prime.

It is not a weakly prime, because it can be changed into another prime (297872879327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148936439913 + 148936439914.

It is an arithmetic number, because the mean of its divisors is an integer number (148936439914).

Almost surely, 2^297872879827 is an apocalyptic number.

297872879827 is a deficient number, since it is larger than the sum of its proper divisors (1).

297872879827 is an equidigital number, since it uses as much as digits as its factorization.

297872879827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 796594176, while the sum is 76.

The spelling of 297872879827 in words is "two hundred ninety-seven billion, eight hundred seventy-two million, eight hundred seventy-nine thousand, eight hundred twenty-seven".