98973845820 has 72 divisors (see below), whose sum is σ = 316021764240. Its totient is φ = 25003918080.

The previous prime is 98973845813. The next prime is 98973845821. The reversal of 98973845820 is 2854837989.

98973845820 is a `hidden beast` number, since 98 + 9 + 73 + 8 + 458 + 20 = 666.

It is a super-2 number, since 2×98973845820² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98973845821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14466441 + ... + 14473280.

It is an arithmetic number, because the mean of its divisors is an integer number (4389191170).

Almost surely, 2^98973845820 is an apocalyptic number.

98973845820 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

98973845820 is an abundant number, since it is smaller than the sum of its proper divisors (217047918420).

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

98973845820 is a wasteful number, since it uses less digits than its factorization.

98973845820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28939755 (or 28939750 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 98973845820 in words is "ninety-eight billion, nine hundred seventy-three million, eight hundred forty-five thousand, eight hundred twenty".