1283883378 has 8 divisors (see below), whose sum is σ = 2567766768. Its totient is φ = 427961124.

The previous prime is 1283883373. The next prime is 1283883421. The reversal of 1283883378 is 8733883821.

It is a sphenic number, since it is the product of 3 distinct primes.

1283883378 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1283883378.

It is not an unprimeable number, because it can be changed into a prime (1283883373) 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, 106990276 + ... + 106990287.

It is an arithmetic number, because the mean of its divisors is an integer number (320970846).

Almost surely, 2^1283883378 is an apocalyptic number.

1283883378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1283883378 is a wasteful number, since it uses less digits than its factorization.

1283883378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213980568.

The product of its digits is 1548288, while the sum is 51.

The square root of 1283883378 is about 35831.3183960624. The cubic root of 1283883378 is about 1086.8639703255.

The spelling of 1283883378 in words is "one billion, two hundred eighty-three million, eight hundred eighty-three thousand, three hundred seventy-eight".