3878491200 has 84 divisors (see below), whose sum is σ = 12724698960. Its totient is φ = 1034263040.

The previous prime is 3878491159. The next prime is 3878491213. The reversal of 3878491200 is 21948783.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399210 + ... + 408809.

Almost surely, 2^3878491200 is an apocalyptic number.

3878491200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3878491200 is an abundant number, since it is smaller than the sum of its proper divisors (8846207760).

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

3878491200 is a wasteful number, since it uses less digits than its factorization.

3878491200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808044 (or 808029 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 3878491200 is about 62277.5336698556. The cubic root of 3878491200 is about 1571.1618916208.

The spelling of 3878491200 in words is "three billion, eight hundred seventy-eight million, four hundred ninety-one thousand, two hundred".