98987697 has 16 divisors (see below), whose sum is σ = 147004480. Its totient is φ = 65831616.

The previous prime is 98987683. The next prime is 98987717. The reversal of 98987697 is 79678989.

It is not a de Polignac number, because 98987697 - 2¹² = 98983601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98987657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7458 + ... + 15924.

It is an arithmetic number, because the mean of its divisors is an integer number (9187780).

Almost surely, 2^98987697 is an apocalyptic number.

It is an amenable number.

98987697 is a deficient number, since it is larger than the sum of its proper divisors (48016783).

98987697 is a wasteful number, since it uses less digits than its factorization.

98987697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8909 (or 8903 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 63.

The square root of 98987697 is about 9949.2561028451. The cubic root of 98987697 is about 462.5873370006.

The spelling of 98987697 in words is "ninety-eight million, nine hundred eighty-seven thousand, six hundred ninety-seven".