99371947500 has 480 divisors, whose sum is σ = 387326016000. Its totient is φ = 21516192000.

The previous prime is 99371947469. The next prime is 99371947513. The reversal of 99371947500 is 574917399.

It is a happy number.

99371947500 is a `hidden beast` number, since 9 + 93 + 7 + 1 + 9 + 47 + 500 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 8971966 + ... + 8983034.

It is an arithmetic number, because the mean of its divisors is an integer number (806929200).

Almost surely, 2^99371947500 is an apocalyptic number.

99371947500 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 99371947500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193663008000).

99371947500 is an abundant number, since it is smaller than the sum of its proper divisors (287954068500).

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

99371947500 is a wasteful number, since it uses less digits than its factorization.

99371947500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11128 (or 11105 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 54.

The spelling of 99371947500 in words is "ninety-nine billion, three hundred seventy-one million, nine hundred forty-seven thousand, five hundred".