378835831 has 8 divisors (see below), whose sum is σ = 414144000. Its totient is φ = 343672440.

The previous prime is 378835823. The next prime is 378835843. The reversal of 378835831 is 138538873.

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 378835831 - 2³ = 378835823 is a prime.

It is a super-2 number, since 2×378835831² = 287033173698921122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378835861) 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, 30681 + ... + 41218.

It is an arithmetic number, because the mean of its divisors is an integer number (51768000).

Almost surely, 2^378835831 is an apocalyptic number.

378835831 is a deficient number, since it is larger than the sum of its proper divisors (35308169).

378835831 is a wasteful number, since it uses less digits than its factorization.

378835831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72389.

The product of its digits is 483840, while the sum is 46.

The square root of 378835831 is about 19463.7054796871. The cubic root of 378835831 is about 723.5752159311.

The spelling of 378835831 in words is "three hundred seventy-eight million, eight hundred thirty-five thousand, eight hundred thirty-one".