5381223378 has 16 divisors (see below), whose sum is σ = 10791776640. Its totient is φ = 1788852816.

The previous prime is 5381223373. The next prime is 5381223403. The reversal of 5381223378 is 8733221835.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5381223373) 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, 1219693 + ... + 1224096.

It is an arithmetic number, because the mean of its divisors is an integer number (674486040).

Almost surely, 2^5381223378 is an apocalyptic number.

5381223378 is an abundant number, since it is smaller than the sum of its proper divisors (5410553262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5381223378 is a wasteful number, since it uses less digits than its factorization.

5381223378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444161.

The product of its digits is 241920, while the sum is 42.

The square root of 5381223378 is about 73356.8223003151. The cubic root of 5381223378 is about 1752.3748305362.

The spelling of 5381223378 in words is "five billion, three hundred eighty-one million, two hundred twenty-three thousand, three hundred seventy-eight".