99968122157028 has 48 divisors (see below), whose sum is σ = 234142321094976. Its totient is φ = 33196691404800.

The previous prime is 99968122157027. The next prime is 99968122157047. The reversal of 99968122157028 is 82075122186999.

It is not an unprimeable number, because it can be changed into a prime (99968122157027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6775201 + ... + 15679272.

It is an arithmetic number, because the mean of its divisors is an integer number (4877965022812).

Almost surely, 2^{99968122157028} is an apocalyptic number.

It is an amenable number.

99968122157028 is an abundant number, since it is smaller than the sum of its proper divisors (134174198937948).

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

99968122157028 is a wasteful number, since it uses less digits than its factorization.

99968122157028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22455884 (or 22455882 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 69.

The spelling of 99968122157028 in words is "ninety-nine trillion, nine hundred sixty-eight billion, one hundred twenty-two million, one hundred fifty-seven thousand, twenty-eight".