3980854878 has 256 divisors, whose sum is σ = 11444944896. Its totient is φ = 888330240.

The previous prime is 3980854859. The next prime is 3980854879. The reversal of 3980854878 is 8784580893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980854879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12966801 + ... + 12967107.

It is an arithmetic number, because the mean of its divisors is an integer number (44706816).

Almost surely, 2^3980854878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3980854878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5722472448).

3980854878 is an abundant number, since it is smaller than the sum of its proper divisors (7464090018).

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

3980854878 is a wasteful number, since it uses less digits than its factorization.

3980854878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487.

The product of its (nonzero) digits is 15482880, while the sum is 60.

The square root of 3980854878 is about 63094.0161822023. The cubic root of 3980854878 is about 1584.8644184066.

It can be divided in two parts, 3980 and 854878, that added together give a palindrome (858858).

The spelling of 3980854878 in words is "three billion, nine hundred eighty million, eight hundred fifty-four thousand, eight hundred seventy-eight".