99422641788 has 24 divisors (see below), whose sum is σ = 242072519808. Its totient is φ = 31699972656.

The previous prime is 99422641777. The next prime is 99422641793. The reversal of 99422641788 is 88714622499.

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, 180113206 + ... + 180113757.

It is an arithmetic number, because the mean of its divisors is an integer number (10086354992).

Almost surely, 2^99422641788 is an apocalyptic number.

It is an amenable number.

99422641788 is an abundant number, since it is smaller than the sum of its proper divisors (142649878020).

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

99422641788 is a wasteful number, since it uses less digits than its factorization.

99422641788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360226993 (or 360226991 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 60.

The spelling of 99422641788 in words is "ninety-nine billion, four hundred twenty-two million, six hundred forty-one thousand, seven hundred eighty-eight".