99783285624080 has 20 divisors (see below), whose sum is σ = 231996139076172. Its totient is φ = 39913314249600.

The previous prime is 99783285624079. The next prime is 99783285624097. The reversal of 99783285624080 is 8042658238799.

It can be written as a sum of positive squares in 2 ways, for example, as 16699841863936 + 83083443760144 = 4086544^2 + 9115012^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 99783285623995 and 99783285624013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623645535071 + ... + 623645535230.

Almost surely, 2^{99783285624080} is an apocalyptic number.

It is an amenable number.

99783285624080 is an abundant number, since it is smaller than the sum of its proper divisors (132212853452092).

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

99783285624080 is a wasteful number, since it uses less digits than its factorization.

99783285624080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247291070314 (or 1247291070308 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 71.

The spelling of 99783285624080 in words is "ninety-nine trillion, seven hundred eighty-three billion, two hundred eighty-five million, six hundred twenty-four thousand, eighty".