99708537600 has 1512 divisors, whose sum is σ = 438811414272. Its totient is φ = 21946982400.

The previous prime is 99708537589. The next prime is 99708537629. The reversal of 99708537600 is 673580799.

It is a tau number, because it is divible by the number of its divisors (1512).

It is a super-2 number, since 2×99708537600² (a number of 23 digits) contains 22 as substring.

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 (17) of ones.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 1404345565 + ... + 1404345635.

Almost surely, 2^99708537600 is an apocalyptic number.

99708537600 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 99708537600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219405707136).

99708537600 is an abundant number, since it is smaller than the sum of its proper divisors (339102876672).

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

99708537600 is an equidigital number, since it uses as much as digits as its factorization.

99708537600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 99708537600 in words is "ninety-nine billion, seven hundred eight million, five hundred thirty-seven thousand, six hundred".