99928058838 has 16 divisors (see below), whose sum is σ = 201689661360. Its totient is φ = 33003762336.

The previous prime is 99928058809. The next prime is 99928058849. The reversal of 99928058838 is 83885082999.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 76396945 + ... + 76398252.

It is an arithmetic number, because the mean of its divisors is an integer number (12605603835).

Almost surely, 2^99928058838 is an apocalyptic number.

99928058838 is an abundant number, since it is smaller than the sum of its proper divisors (101761602522).

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

99928058838 is a wasteful number, since it uses less digits than its factorization.

99928058838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152795311.

The product of its (nonzero) digits is 89579520, while the sum is 69.

The spelling of 99928058838 in words is "ninety-nine billion, nine hundred twenty-eight million, fifty-eight thousand, eight hundred thirty-eight".