98081574318 has 144 divisors (see below), whose sum is σ = 280233691920. Its totient is φ = 24506157312.

The previous prime is 98081574317. The next prime is 98081574359. The reversal of 98081574318 is 81347518089.

98081574318 is a `hidden beast` number, since 9 + 80 + 81 + 57 + 431 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98081574317) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7255 + ... + 442962.

It is an arithmetic number, because the mean of its divisors is an integer number (1946067305).

Almost surely, 2^98081574318 is an apocalyptic number.

98081574318 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 98081574318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140116845960).

98081574318 is an abundant number, since it is smaller than the sum of its proper divisors (182152117602).

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

98081574318 is a wasteful number, since it uses less digits than its factorization.

98081574318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450271 (or 450261 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 98081574318 in words is "ninety-eight billion, eighty-one million, five hundred seventy-four thousand, three hundred eighteen".