378332881 has 8 divisors (see below), whose sum is σ = 389387520. Its totient is φ = 367321968.

The previous prime is 378332879. The next prime is 378332891. The reversal of 378332881 is 188233873.

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

It is a cyclic number.

It is not a de Polignac number, because 378332881 - 2¹ = 378332879 is a prime.

It is a super-2 number, since 2×378332881² = 286271537691520322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378332821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7050 + ... + 28396.

It is an arithmetic number, because the mean of its divisors is an integer number (48673440).

Almost surely, 2^378332881 is an apocalyptic number.

It is an amenable number.

378332881 is a deficient number, since it is larger than the sum of its proper divisors (11054639).

378332881 is a wasteful number, since it uses less digits than its factorization.

378332881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21863.

The product of its digits is 193536, while the sum is 43.

The square root of 378332881 is about 19450.7809868910. The cubic root of 378332881 is about 723.2548631608.

The spelling of 378332881 in words is "three hundred seventy-eight million, three hundred thirty-two thousand, eight hundred eighty-one".