172048784408 has 8 divisors (see below), whose sum is σ = 322591470780. Its totient is φ = 86024392200.

The previous prime is 172048784339. The next prime is 172048784417. The reversal of 172048784408 is 804487840271.

172048784408 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 172048784408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10753049018 + ... + 10753049033.

Almost surely, 2^172048784408 is an apocalyptic number.

It is an amenable number.

172048784408 is a deficient number, since it is larger than the sum of its proper divisors (150542686372).

172048784408 is a wasteful number, since it uses less digits than its factorization.

172048784408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21506098057 (or 21506098053 counting only the distinct ones).

The product of its (nonzero) digits is 3211264, while the sum is 53.

The spelling of 172048784408 in words is "one hundred seventy-two billion, forty-eight million, seven hundred eighty-four thousand, four hundred eight".