97827449 has 2 divisors, whose sum is σ = 97827450. Its totient is φ = 97827448.

The previous prime is 97827439. The next prime is 97827463. The reversal of 97827449 is 94472879.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92987449 + 4840000 = 9643^2 + 2200^2 .

It is a cyclic number.

It is not a de Polignac number, because 97827449 - 2²⁰ = 96778873 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97827397 and 97827406.

It is not a weakly prime, because it can be changed into another prime (97827419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48913724 + 48913725.

It is an arithmetic number, because the mean of its divisors is an integer number (48913725).

Almost surely, 2^97827449 is an apocalyptic number.

It is an amenable number.

97827449 is a deficient number, since it is larger than the sum of its proper divisors (1).

97827449 is an equidigital number, since it uses as much as digits as its factorization.

97827449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 50.

The square root of 97827449 is about 9890.7759554041. The cubic root of 97827449 is about 460.7728799691.

The spelling of 97827449 in words is "ninety-seven million, eight hundred twenty-seven thousand, four hundred forty-nine".