378437885 has 8 divisors (see below), whose sum is σ = 519000576. Its totient is φ = 259500240.

The previous prime is 378437869. The next prime is 378437893. The reversal of 378437885 is 588734873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 378437885 - 2⁴ = 378437869 is a prime.

It is a Duffinian number.

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, 5406221 + ... + 5406290.

It is an arithmetic number, because the mean of its divisors is an integer number (64875072).

Almost surely, 2^378437885 is an apocalyptic number.

378437885 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

378437885 is a deficient number, since it is larger than the sum of its proper divisors (140562691).

378437885 is a wasteful number, since it uses less digits than its factorization.

378437885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10812523.

The product of its digits is 4515840, while the sum is 53.

The square root of 378437885 is about 19453.4800228648. The cubic root of 378437885 is about 723.3217686406.

The spelling of 378437885 in words is "three hundred seventy-eight million, four hundred thirty-seven thousand, eight hundred eighty-five".