98531017984620 has 72 divisors (see below), whose sum is σ = 321867992090736. Its totient is φ = 24253789041792.

The previous prime is 98531017984603. The next prime is 98531017984699. The reversal of 98531017984620 is 2648971013589.

98531017984620 is a `hidden beast` number, since 9 + 8 + 531 + 0 + 1 + 7 + 98 + 4 + 6 + 2 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21053633982 + ... + 21053638661.

It is an arithmetic number, because the mean of its divisors is an integer number (4470388779038).

It is a 1-persistent number, because it is pandigital, but 2⋅98531017984620 = 197062035969240 is not.

Almost surely, 2^{98531017984620} is an apocalyptic number.

98531017984620 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

98531017984620 is an abundant number, since it is smaller than the sum of its proper divisors (223336974106116).

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

98531017984620 is a wasteful number, since it uses less digits than its factorization.

98531017984620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42107272671 (or 42107272666 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 98531017984620 in words is "ninety-eight trillion, five hundred thirty-one billion, seventeen million, nine hundred eighty-four thousand, six hundred twenty".