98687680 has 112 divisors (see below), whose sum is σ = 289316160. Its totient is φ = 31223808.

The previous prime is 98687647. The next prime is 98687681. The reversal of 98687680 is 8678689.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98687681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27426 + ... + 30814.

It is an arithmetic number, because the mean of its divisors is an integer number (2583180).

Almost surely, 2^98687680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98687680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144658080).

98687680 is an abundant number, since it is smaller than the sum of its proper divisors (190628480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98687680 is a wasteful number, since it uses less digits than its factorization.

98687680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426 (or 3416 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The square root of 98687680 is about 9934.1673027990. The cubic root of 98687680 is about 462.1195195608.

The spelling of 98687680 in words is "ninety-eight million, six hundred eighty-seven thousand, six hundred eighty".