98897913 has 6 divisors (see below), whose sum is σ = 142852554. Its totient is φ = 65931936.

The previous prime is 98897899. The next prime is 98897933. The reversal of 98897913 is 31979889.

It can be written as a sum of positive squares in only one way, i.e., 94245264 + 4652649 = 9708^2 + 2157^2 .

It is not a de Polignac number, because 98897913 - 2⁵ = 98897881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98897913.

It is not an unprimeable number, because it can be changed into a prime (98897933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5494320 + ... + 5494337.

It is an arithmetic number, because the mean of its divisors is an integer number (23808759).

Almost surely, 2^98897913 is an apocalyptic number.

It is an amenable number.

98897913 is a deficient number, since it is larger than the sum of its proper divisors (43954641).

98897913 is a wasteful number, since it uses less digits than its factorization.

98897913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10988663 (or 10988660 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 98897913 is about 9944.7429831042. The cubic root of 98897913 is about 462.4474357598.

The spelling of 98897913 in words is "ninety-eight million, eight hundred ninety-seven thousand, nine hundred thirteen".