3811778848 has 24 divisors (see below), whose sum is σ = 7746520320. Its totient is φ = 1844408640.

The previous prime is 3811778837. The next prime is 3811778849. The reversal of 3811778848 is 8488771183.

It is a super-4 number, since 4×3811778848⁴ (a number of 39 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (3811778849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1920268 + ... + 1922251.

It is an arithmetic number, because the mean of its divisors is an integer number (322771680).

Almost surely, 2^3811778848 is an apocalyptic number.

It is an amenable number.

3811778848 is an abundant number, since it is smaller than the sum of its proper divisors (3934741472).

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

3811778848 is a wasteful number, since it uses less digits than its factorization.

3811778848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842560 (or 3842552 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 55.

The square root of 3811778848 is about 61739.6051817632. The cubic root of 3811778848 is about 1562.1014370567.

The spelling of 3811778848 in words is "three billion, eight hundred eleven million, seven hundred seventy-eight thousand, eight hundred forty-eight".