378133607 has 4 divisors (see below), whose sum is σ = 378173136. Its totient is φ = 378094080.

The previous prime is 378133589. The next prime is 378133619. The reversal of 378133607 is 706331873.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 378133607 - 2⁸ = 378133351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378133667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4583 + ... + 27879.

It is an arithmetic number, because the mean of its divisors is an integer number (94543284).

Almost surely, 2^378133607 is an apocalyptic number.

378133607 is a deficient number, since it is larger than the sum of its proper divisors (39529).

378133607 is a wasteful number, since it uses less digits than its factorization.

378133607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39528.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 378133607 is about 19445.6577929367. The cubic root of 378133607 is about 723.1278575451.

The spelling of 378133607 in words is "three hundred seventy-eight million, one hundred thirty-three thousand, six hundred seven".