99608273856 has 784 divisors, whose sum is σ = 377788017600. Its totient is φ = 25333088256.

The previous prime is 99608273839. The next prime is 99608273857. The reversal of 99608273856 is 65837280699.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 99608273793 and 99608273802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99608273857) 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 111 ways as a sum of consecutive naturals, for example, 123124780 + ... + 123125588.

Almost surely, 2^99608273856 is an apocalyptic number.

99608273856 is a gapful number since it is divisible by the number (96) 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 99608273856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188894008800).

99608273856 is an abundant number, since it is smaller than the sum of its proper divisors (278179743744).

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

99608273856 is a wasteful number, since it uses less digits than its factorization.

99608273856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 99608273856 in words is "ninety-nine billion, six hundred eight million, two hundred seventy-three thousand, eight hundred fifty-six".