4084978538 has 16 divisors (see below), whose sum is σ = 6179110080. Its totient is φ = 2025324000.

The previous prime is 4084978529. The next prime is 4084978553. The reversal of 4084978538 is 8358794804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160598 + ... + 184286.

It is an arithmetic number, because the mean of its divisors is an integer number (386194380).

Almost surely, 2^4084978538 is an apocalyptic number.

4084978538 is a deficient number, since it is larger than the sum of its proper divisors (2094131542).

4084978538 is a wasteful number, since it uses less digits than its factorization.

4084978538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24413.

The product of its (nonzero) digits is 7741440, while the sum is 56.

The square root of 4084978538 is about 63913.8368274038. The cubic root of 4084978538 is about 1598.5636247042.

The spelling of 4084978538 in words is "four billion, eighty-four million, nine hundred seventy-eight thousand, five hundred thirty-eight".