97877243 has 2 divisors, whose sum is σ = 97877244. Its totient is φ = 97877242.

The previous prime is 97877207. The next prime is 97877257. The reversal of 97877243 is 34277879.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97877243 - 2¹² = 97873147 is a prime.

It is not a weakly prime, because it can be changed into another prime (97877293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48938621 + 48938622.

It is an arithmetic number, because the mean of its divisors is an integer number (48938622).

Almost surely, 2^97877243 is an apocalyptic number.

97877243 is a deficient number, since it is larger than the sum of its proper divisors (1).

97877243 is an equidigital number, since it uses as much as digits as its factorization.

97877243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 47.

The square root of 97877243 is about 9893.2928289827. The cubic root of 97877243 is about 460.8510442381.

The spelling of 97877243 in words is "ninety-seven million, eight hundred seventy-seven thousand, two hundred forty-three".