98123698512 has 320 divisors, whose sum is σ = 325921996800. Its totient is φ = 27686292480.

The previous prime is 98123698483. The next prime is 98123698529. The reversal of 98123698512 is 21589632189.

98123698512 is a `hidden beast` number, since 9 + 8 + 1 + 2 + 36 + 98 + 512 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99014337 + ... + 99015327.

It is an arithmetic number, because the mean of its divisors is an integer number (1018506240).

Almost surely, 2^98123698512 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 98123698512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162960998400).

98123698512 is an abundant number, since it is smaller than the sum of its proper divisors (227798298288).

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

98123698512 is a wasteful number, since it uses less digits than its factorization.

98123698512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391 (or 1379 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The spelling of 98123698512 in words is "ninety-eight billion, one hundred twenty-three million, six hundred ninety-eight thousand, five hundred twelve".