4081673878 has 4 divisors (see below), whose sum is σ = 6122510820. Its totient is φ = 2040836938.

The previous prime is 4081673873. The next prime is 4081673891. The reversal of 4081673878 is 8783761804.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081673873) 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 as a sum of consecutive naturals, namely, 1020418468 + ... + 1020418471.

It is an arithmetic number, because the mean of its divisors is an integer number (1530627705).

Almost surely, 2^4081673878 is an apocalyptic number.

4081673878 is a deficient number, since it is larger than the sum of its proper divisors (2040836942).

4081673878 is a wasteful number, since it uses less digits than its factorization.

4081673878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040836941.

The product of its (nonzero) digits is 1806336, while the sum is 52.

The square root of 4081673878 is about 63887.9791353585. The cubic root of 4081673878 is about 1598.1324405179.

The spelling of 4081673878 in words is "four billion, eighty-one million, six hundred seventy-three thousand, eight hundred seventy-eight".