99910369379772 has 144 divisors (see below), whose sum is σ = 290046626688000. Its totient is φ = 28406042824320.

The previous prime is 99910369379753. The next prime is 99910369379819. The reversal of 99910369379772 is 27797396301999.

99910369379772 is a `hidden beast` number, since 9 + 99 + 10 + 369 + 3 + 7 + 97 + 72 = 666.

99910369379772 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 99910369379691 and 99910369379700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42025629 + ... + 44339307.

Almost surely, 2^{99910369379772} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99910369379772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145023313344000).

99910369379772 is an abundant number, since it is smaller than the sum of its proper divisors (190136257308228).

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

99910369379772 is a wasteful number, since it uses less digits than its factorization.

99910369379772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314536 (or 2314531 counting only the distinct ones).

The product of its (nonzero) digits is 2187411156, while the sum is 81.

The spelling of 99910369379772 in words is "ninety-nine trillion, nine hundred ten billion, three hundred sixty-nine million, three hundred seventy-nine thousand, seven hundred seventy-two".