3878540822 has 8 divisors (see below), whose sum is σ = 6265335216. Its totient is φ = 1790095752.

The previous prime is 3878540801. The next prime is 3878540839. The reversal of 3878540822 is 2280458783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74587298 + ... + 74587349.

It is an arithmetic number, because the mean of its divisors is an integer number (783166902).

Almost surely, 2^3878540822 is an apocalyptic number.

3878540822 is a deficient number, since it is larger than the sum of its proper divisors (2386794394).

3878540822 is a wasteful number, since it uses less digits than its factorization.

3878540822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149174662.

The product of its (nonzero) digits is 860160, while the sum is 47.

The square root of 3878540822 is about 62277.9320626496. The cubic root of 3878540822 is about 1571.1685921528.

The spelling of 3878540822 in words is "three billion, eight hundred seventy-eight million, five hundred forty thousand, eight hundred twenty-two".