98545788 has 72 divisors (see below), whose sum is σ = 280864080. Its totient is φ = 29858400.

The previous prime is 98545781. The next prime is 98545789. The reversal of 98545788 is 88754589.

98545788 is a `hidden beast` number, since 98 + 545 + 7 + 8 + 8 = 666.

It is a super-2 number, since 2×98545788² = 19422544665081888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98545781) 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 23 ways as a sum of consecutive naturals, for example, 9298 + ... + 16838.

It is an arithmetic number, because the mean of its divisors is an integer number (3900890).

Almost surely, 2^98545788 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 98545788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140432040).

98545788 is an abundant number, since it is smaller than the sum of its proper divisors (182318292).

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

98545788 is a wasteful number, since it uses less digits than its factorization.

98545788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7576 (or 7557 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 54.

The square root of 98545788 is about 9927.0231187401. The cubic root of 98545788 is about 461.8979366379.

The spelling of 98545788 in words is "ninety-eight million, five hundred forty-five thousand, seven hundred eighty-eight".