34878848172 has 144 divisors (see below), whose sum is σ = 97188134400. Its totient is φ = 9731508192.

The previous prime is 34878848161. The next prime is 34878848177. The reversal of 34878848172 is 27184887843.

It is not an unprimeable number, because it can be changed into a prime (34878848177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7608193 + ... + 7612775.

It is an arithmetic number, because the mean of its divisors is an integer number (674917600).

Almost surely, 2^34878848172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34878848172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48594067200).

34878848172 is an abundant number, since it is smaller than the sum of its proper divisors (62309286228).

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

34878848172 is a wasteful number, since it uses less digits than its factorization.

34878848172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4697 (or 4638 counting only the distinct ones).

The product of its digits is 19267584, while the sum is 60.

The spelling of 34878848172 in words is "thirty-four billion, eight hundred seventy-eight million, eight hundred forty-eight thousand, one hundred seventy-two".