3878796984 has 64 divisors (see below), whose sum is σ = 9857280000. Its totient is φ = 1271687040.

The previous prime is 3878796967. The next prime is 3878796991. The reversal of 3878796984 is 4896978783.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510042 + ... + 517590.

It is an arithmetic number, because the mean of its divisors is an integer number (154020000).

Almost surely, 2^3878796984 is an apocalyptic number.

It is an amenable number.

3878796984 is an abundant number, since it is smaller than the sum of its proper divisors (5978483016).

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

3878796984 is a wasteful number, since it uses less digits than its factorization.

3878796984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7908 (or 7904 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 69.

The square root of 3878796984 is about 62279.9886319835. The cubic root of 3878796984 is about 1571.2031811771.

The spelling of 3878796984 in words is "three billion, eight hundred seventy-eight million, seven hundred ninety-six thousand, nine hundred eighty-four".