378776383 has 8 divisors (see below), whose sum is σ = 391288320. Its totient is φ = 366282840.

The previous prime is 378776353. The next prime is 378776399. The reversal of 378776383 is 383677873.

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 a de Polignac number, because none of the positive numbers 2^k-378776383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378776383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378776353) 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, 46416 + ... + 53962.

It is an arithmetic number, because the mean of its divisors is an integer number (48911040).

Almost surely, 2^378776383 is an apocalyptic number.

378776383 is a deficient number, since it is larger than the sum of its proper divisors (12511937).

378776383 is a wasteful number, since it uses less digits than its factorization.

378776383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9197.

The product of its digits is 3556224, while the sum is 52.

The square root of 378776383 is about 19462.1782696593. The cubic root of 378776383 is about 723.5373654550.

The spelling of 378776383 in words is "three hundred seventy-eight million, seven hundred seventy-six thousand, three hundred eighty-three".