99612790881604 has 144 divisors (see below), whose sum is σ = 249184851624576. Its totient is φ = 33717439641600.

The previous prime is 99612790881601. The next prime is 99612790881649. The reversal of 99612790881604 is 40618809721699.

It is a super-2 number, since 2×99612790881604² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99612790881601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55400907 + ... + 57170674.

It is an arithmetic number, because the mean of its divisors is an integer number (1730450358504).

Almost surely, 2^{99612790881604} is an apocalyptic number.

It is an amenable number.

99612790881604 is an abundant number, since it is smaller than the sum of its proper divisors (149572060742972).

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

99612790881604 is a wasteful number, since it uses less digits than its factorization.

99612790881604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112571646 (or 112571631 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 70.

The spelling of 99612790881604 in words is "ninety-nine trillion, six hundred twelve billion, seven hundred ninety million, eight hundred eighty-one thousand, six hundred four".