378543697 has 8 divisors (see below), whose sum is σ = 446577152. Its totient is φ = 313999200.

The previous prime is 378543689. The next prime is 378543703. The reversal of 378543697 is 796345873.

It is a happy number.

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 378543697 - 2³ = 378543689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378543647) 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, 872004 + ... + 872437.

It is an arithmetic number, because the mean of its divisors is an integer number (55822144).

Almost surely, 2^378543697 is an apocalyptic number.

It is an amenable number.

378543697 is a deficient number, since it is larger than the sum of its proper divisors (68033455).

378543697 is a wasteful number, since it uses less digits than its factorization.

378543697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744479.

The product of its digits is 3810240, while the sum is 52.

The square root of 378543697 is about 19456.1994490188. The cubic root of 378543697 is about 723.3891764362.

The spelling of 378543697 in words is "three hundred seventy-eight million, five hundred forty-three thousand, six hundred ninety-seven".