98619055920 has 1440 divisors, whose sum is σ = 444571545600. Its totient is φ = 19135733760.

The previous prime is 98619055901. The next prime is 98619055933. The reversal of 98619055920 is 2955091689.

98619055920 is a `hidden beast` number, since 9 + 8 + 61 + 9 + 0 + 559 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1108079236 + ... + 1108079324.

It is an arithmetic number, because the mean of its divisors is an integer number (308730240).

Almost surely, 2^98619055920 is an apocalyptic number.

98619055920 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 98619055920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222285772800).

98619055920 is an abundant number, since it is smaller than the sum of its proper divisors (345952489680).

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

98619055920 is a wasteful number, since it uses less digits than its factorization.

98619055920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 54.

The spelling of 98619055920 in words is "ninety-eight billion, six hundred nineteen million, fifty-five thousand, nine hundred twenty".