3878008782 has 16 divisors (see below), whose sum is σ = 7865258112. Its totient is φ = 1274462840.

The previous prime is 3878008723. The next prime is 3878008807. The reversal of 3878008782 is 2878008783.

It is a happy number.

It is a super-2 number, since 2×3878008782² = 30077904226538247048, which contains 22 as substring.

It is a congruent number.

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, 4551228 + ... + 4552079.

It is an arithmetic number, because the mean of its divisors is an integer number (491578632).

Almost surely, 2^3878008782 is an apocalyptic number.

3878008782 is an abundant number, since it is smaller than the sum of its proper divisors (3987249330).

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

3878008782 is a wasteful number, since it uses less digits than its factorization.

3878008782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9103383.

The product of its (nonzero) digits is 1204224, while the sum is 51.

The square root of 3878008782 is about 62273.6604191531. The cubic root of 3878008782 is about 1571.0967470267.

Subtracting from 3878008782 its reverse (2878008783), we obtain a palindrome (999999999).

The spelling of 3878008782 in words is "three billion, eight hundred seventy-eight million, eight thousand, seven hundred eighty-two".