34478447135 has 32 divisors (see below), whose sum is σ = 46869883200. Its totient is φ = 24128409600.

The previous prime is 34478447131. The next prime is 34478447141. The reversal of 34478447135 is 53174487443.

It is not a de Polignac number, because 34478447135 - 2² = 34478447131 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34478447131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59891 + ... + 269339.

It is an arithmetic number, because the mean of its divisors is an integer number (1464683850).

Almost surely, 2^34478447135 is an apocalyptic number.

34478447135 is a deficient number, since it is larger than the sum of its proper divisors (12391436065).

34478447135 is a wasteful number, since it uses less digits than its factorization.

34478447135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209579.

The product of its digits is 4515840, while the sum is 50.

The spelling of 34478447135 in words is "thirty-four billion, four hundred seventy-eight million, four hundred forty-seven thousand, one hundred thirty-five".