378534885 has 8 divisors (see below), whose sum is σ = 605655840. Its totient is φ = 201885264.

The previous prime is 378534859. The next prime is 378534983. The reversal of 378534885 is 588435873.

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

It is not a de Polignac number, because 378534885 - 2¹⁹ = 378010597 is a prime.

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, 12617815 + ... + 12617844.

It is an arithmetic number, because the mean of its divisors is an integer number (75706980).

Almost surely, 2^378534885 is an apocalyptic number.

It is an amenable number.

378534885 is a deficient number, since it is larger than the sum of its proper divisors (227120955).

378534885 is a wasteful number, since it uses less digits than its factorization.

378534885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25235667.

The product of its digits is 3225600, while the sum is 51.

The square root of 378534885 is about 19455.9729903184. The cubic root of 378534885 is about 723.3835632094.

The spelling of 378534885 in words is "three hundred seventy-eight million, five hundred thirty-four thousand, eight hundred eighty-five".