84155010881648 has 40 divisors (see below), whose sum is σ = 197304605348832. Its totient is φ = 33944878338048.

The previous prime is 84155010881647. The next prime is 84155010881659. The reversal of 84155010881648 is 84618801055148.

84155010881648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84155010881647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22099528265 + ... + 22099532072.

Almost surely, 2^{84155010881648} is an apocalyptic number.

It is an amenable number.

84155010881648 is an abundant number, since it is smaller than the sum of its proper divisors (113149594467184).

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

84155010881648 is a wasteful number, since it uses less digits than its factorization.

84155010881648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44199060369 (or 44199060363 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 59.

The spelling of 84155010881648 in words is "eighty-four trillion, one hundred fifty-five billion, ten million, eight hundred eighty-one thousand, six hundred forty-eight".