99738279624444 has 24 divisors (see below), whose sum is σ = 234116201278848. Its totient is φ = 33047014805040.

The previous prime is 99738279624427. The next prime is 99738279624469. The reversal of 99738279624444 is 44442697283799.

It is a self number, because there is not a number n which added to its sum of digits gives 99738279624444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24884798302 + ... + 24884802309.

It is an arithmetic number, because the mean of its divisors is an integer number (9754841719952).

Almost surely, 2^{99738279624444} is an apocalyptic number.

It is an amenable number.

99738279624444 is an abundant number, since it is smaller than the sum of its proper divisors (134377921654404).

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

99738279624444 is a wasteful number, since it uses less digits than its factorization.

99738279624444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49769600785 (or 49769600783 counting only the distinct ones).

The product of its digits is 5267275776, while the sum is 78.

The spelling of 99738279624444 in words is "ninety-nine trillion, seven hundred thirty-eight billion, two hundred seventy-nine million, six hundred twenty-four thousand, four hundred forty-four".