99824477812 has 48 divisors (see below), whose sum is σ = 180398522304. Its totient is φ = 48305376000.

The previous prime is 99824477737. The next prime is 99824477827. The reversal of 99824477812 is 21877442899.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 8742387 + ... + 8753797.

It is an arithmetic number, because the mean of its divisors is an integer number (3758302548).

Almost surely, 2^99824477812 is an apocalyptic number.

It is an amenable number.

99824477812 is a deficient number, since it is larger than the sum of its proper divisors (80574044492).

99824477812 is a wasteful number, since it uses less digits than its factorization.

99824477812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11920 (or 11918 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 61.

The spelling of 99824477812 in words is "ninety-nine billion, eight hundred twenty-four million, four hundred seventy-seven thousand, eight hundred twelve".