98427578580 has 144 divisors (see below), whose sum is σ = 308347812864. Its totient is φ = 25388052480.

The previous prime is 98427578563. The next prime is 98427578621. The reversal of 98427578580 is 8587572489.

98427578580 is a `hidden beast` number, since 9 + 8 + 4 + 2 + 7 + 578 + 58 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17501649 + ... + 17507271.

It is an arithmetic number, because the mean of its divisors is an integer number (2141304256).

Almost surely, 2^98427578580 is an apocalyptic number.

98427578580 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98427578580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154173906432).

98427578580 is an abundant number, since it is smaller than the sum of its proper divisors (209920234284).

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

98427578580 is a wasteful number, since it uses less digits than its factorization.

98427578580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8806 (or 8801 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 63.

The spelling of 98427578580 in words is "ninety-eight billion, four hundred twenty-seven million, five hundred seventy-eight thousand, five hundred eighty".