98556887 has 16 divisors (see below), whose sum is σ = 116508672. Its totient is φ = 82189920.

The previous prime is 98556881. The next prime is 98556893. The reversal of 98556887 is 78865589.

It is an interprime number because it is at equal distance from previous prime (98556881) and next prime (98556893).

It is a cyclic number.

It is not a de Polignac number, because 98556887 - 2⁶ = 98556823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98556881) 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, 21818 + ... + 25944.

It is an arithmetic number, because the mean of its divisors is an integer number (7281792).

Almost surely, 2^98556887 is an apocalyptic number.

98556887 is a deficient number, since it is larger than the sum of its proper divisors (17951785).

98556887 is a wasteful number, since it uses less digits than its factorization.

98556887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4318.

The product of its digits is 4838400, while the sum is 56.

The square root of 98556887 is about 9927.5821326242. The cubic root of 98556887 is about 461.9152768437.

The spelling of 98556887 in words is "ninety-eight million, five hundred fifty-six thousand, eight hundred eighty-seven".