378822383 has 4 divisors (see below), whose sum is σ = 385032648. Its totient is φ = 372612120.

The previous prime is 378822371. The next prime is 378822401. The reversal of 378822383 is 383228873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383228873 = 349 ⋅1098077.

It is a cyclic number.

It is not a de Polignac number, because 378822383 - 2⁸ = 378822127 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 (378822313) 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, 3105041 + ... + 3105162.

It is an arithmetic number, because the mean of its divisors is an integer number (96258162).

Almost surely, 2^378822383 is an apocalyptic number.

378822383 is a deficient number, since it is larger than the sum of its proper divisors (6210265).

378822383 is an equidigital number, since it uses as much as digits as its factorization.

378822383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6210264.

The product of its digits is 387072, while the sum is 44.

The square root of 378822383 is about 19463.3600131118. The cubic root of 378822383 is about 723.5666539509.

The spelling of 378822383 in words is "three hundred seventy-eight million, eight hundred twenty-two thousand, three hundred eighty-three".