98912897 has 2 divisors, whose sum is σ = 98912898. Its totient is φ = 98912896.

The previous prime is 98912867. The next prime is 98912899. The reversal of 98912897 is 79821989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97930816 + 982081 = 9896^2 + 991^2 .

It is a cyclic number.

It is not a de Polignac number, because 98912897 - 2⁸ = 98912641 is a prime.

It is a super-2 number, since 2×98912897² = 19567522385865218, which contains 22 as substring.

Together with 98912899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98912899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49456448 + 49456449.

It is an arithmetic number, because the mean of its divisors is an integer number (49456449).

Almost surely, 2^98912897 is an apocalyptic number.

It is an amenable number.

98912897 is a deficient number, since it is larger than the sum of its proper divisors (1).

98912897 is an equidigital number, since it uses as much as digits as its factorization.

98912897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 53.

The square root of 98912897 is about 9945.4963174293. The cubic root of 98912897 is about 462.4707896819.

The spelling of 98912897 in words is "ninety-eight million, nine hundred twelve thousand, eight hundred ninety-seven".