34478807874 has 64 divisors (see below), whose sum is σ = 80065290240. Its totient is φ = 9694825920.

The previous prime is 34478807801. The next prime is 34478807903. The reversal of 34478807874 is 47870887443.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1015192 + ... + 1048604.

It is an arithmetic number, because the mean of its divisors is an integer number (1251020160).

Almost surely, 2^34478807874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34478807874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40032645120).

34478807874 is an abundant number, since it is smaller than the sum of its proper divisors (45586482366).

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

34478807874 is a wasteful number, since it uses less digits than its factorization.

34478807874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33815.

The product of its (nonzero) digits is 33718272, while the sum is 60.

The spelling of 34478807874 in words is "thirty-four billion, four hundred seventy-eight million, eight hundred seven thousand, eight hundred seventy-four".