378487872 has 84 divisors (see below), whose sum is σ = 1239861376. Its totient is φ = 108138240.

The previous prime is 378487871. The next prime is 378487873. The reversal of 378487872 is 278784873.

It is a happy number.

378487872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (378487871) and next prime (378487873).

It is a tau number, because it is divible by the number of its divisors (84).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (378487871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42904 + ... + 50967.

Almost surely, 2^378487872 is an apocalyptic number.

378487872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

378487872 is an abundant number, since it is smaller than the sum of its proper divisors (861373504).

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

378487872 is a wasteful number, since it uses less digits than its factorization.

378487872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93896 (or 93883 counting only the distinct ones).

The product of its digits is 4214784, while the sum is 54.

The square root of 378487872 is about 19454.7647634198. The cubic root of 378487872 is about 723.3536145479.

The spelling of 378487872 in words is "three hundred seventy-eight million, four hundred eighty-seven thousand, eight hundred seventy-two".