378775283 has 4 divisors (see below), whose sum is σ = 401056200. Its totient is φ = 356494368.

The previous prime is 378775237. The next prime is 378775337. The reversal of 378775283 is 382577873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378775283 - 2⁶ = 378775219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378775213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11140433 + ... + 11140466.

It is an arithmetic number, because the mean of its divisors is an integer number (100264050).

Almost surely, 2^378775283 is an apocalyptic number.

378775283 is a deficient number, since it is larger than the sum of its proper divisors (22280917).

378775283 is a wasteful number, since it uses less digits than its factorization.

378775283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22280916.

The product of its digits is 1975680, while the sum is 50.

The square root of 378775283 is about 19462.1500096983. The cubic root of 378775283 is about 723.5366650489.

The spelling of 378775283 in words is "three hundred seventy-eight million, seven hundred seventy-five thousand, two hundred eighty-three".