98868987 has 12 divisors (see below), whose sum is σ = 163212400. Its totient is φ = 56496528.

The previous prime is 98868977. The next prime is 98869051. The reversal of 98868987 is 78986889.

It is not a de Polignac number, because 98868987 - 2¹² = 98864891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 1569349 = 98868987 / (9 + 8 + 8 + 6 + 8 + 9 + 8 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98868907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 784612 + ... + 784737.

Almost surely, 2^98868987 is an apocalyptic number.

98868987 is a deficient number, since it is larger than the sum of its proper divisors (64343413).

98868987 is a wasteful number, since it uses less digits than its factorization.

98868987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569362 (or 1569359 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 63.

The square root of 98868987 is about 9943.2885405182. The cubic root of 98868987 is about 462.4023452940.

The spelling of 98868987 in words is "ninety-eight million, eight hundred sixty-eight thousand, nine hundred eighty-seven".