1043796778 has 24 divisors (see below), whose sum is σ = 1627180524. Its totient is φ = 502076160.

The previous prime is 1043796709. The next prime is 1043796781. The reversal of 1043796778 is 8776973401.

It can be written as a sum of positive squares in 6 ways, for example, as 700569 + 1043096209 = 837^2 + 32297^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243300 + ... + 247552.

Almost surely, 2^1043796778 is an apocalyptic number.

1043796778 is a deficient number, since it is larger than the sum of its proper divisors (583383746).

1043796778 is an equidigital number, since it uses as much as digits as its factorization.

1043796778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410 (or 4369 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 52.

The square root of 1043796778 is about 32307.8439082524. The cubic root of 1043796778 is about 1014.3908363987.

The spelling of 1043796778 in words is "one billion, forty-three million, seven hundred ninety-six thousand, seven hundred seventy-eight".