378064813 has 8 divisors (see below), whose sum is σ = 442612800. Its totient is φ = 316151520.

The previous prime is 378064811. The next prime is 378064829. The reversal of 378064813 is 318460873.

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 378064813 - 2¹ = 378064811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378064811) 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, 658363 + ... + 658936.

It is an arithmetic number, because the mean of its divisors is an integer number (55326600).

Almost surely, 2^378064813 is an apocalyptic number.

It is an amenable number.

378064813 is a deficient number, since it is larger than the sum of its proper divisors (64547987).

378064813 is a wasteful number, since it uses less digits than its factorization.

378064813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317347.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 378064813 is about 19443.8888342842. Note that the first 4 decimals coincide. The cubic root of 378064813 is about 723.0840019043.

The spelling of 378064813 in words is "three hundred seventy-eight million, sixty-four thousand, eight hundred thirteen".