99751649928 has 64 divisors (see below), whose sum is σ = 286579413120. Its totient is φ = 28343001600.

The previous prime is 99751649917. The next prime is 99751649969. The reversal of 99751649928 is 82994615799.

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, 1609813 + ... + 1670628.

It is an arithmetic number, because the mean of its divisors is an integer number (4477803330).

Almost surely, 2^99751649928 is an apocalyptic number.

It is an amenable number.

99751649928 is an abundant number, since it is smaller than the sum of its proper divisors (186827763192).

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

99751649928 is a wasteful number, since it uses less digits than its factorization.

99751649928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280638 (or 3280634 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 69.

The spelling of 99751649928 in words is "ninety-nine billion, seven hundred fifty-one million, six hundred forty-nine thousand, nine hundred twenty-eight".