1075778814 has 48 divisors (see below), whose sum is σ = 2372492304. Its totient is φ = 324952320.

The previous prime is 1075778777. The next prime is 1075778827. The reversal of 1075778814 is 4188775701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242464 + ... + 246860.

It is an arithmetic number, because the mean of its divisors is an integer number (49426923).

Almost surely, 2^1075778814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1075778814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1186246152).

1075778814 is an abundant number, since it is smaller than the sum of its proper divisors (1296713490).

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

1075778814 is a wasteful number, since it uses less digits than its factorization.

1075778814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761 (or 4750 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 48.

The square root of 1075778814 is about 32799.0672733235. The cubic root of 1075778814 is about 1024.6471326303.

The spelling of 1075778814 in words is "one billion, seventy-five million, seven hundred seventy-eight thousand, eight hundred fourteen".