1078844819 has 4 divisors (see below), whose sum is σ = 1161832896. Its totient is φ = 995856744.

The previous prime is 1078844813. The next prime is 1078844827. The reversal of 1078844819 is 9184488701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9184488701 = 107 ⋅85836343.

It is a cyclic number.

It is not a de Polignac number, because 1078844819 - 2⁸ = 1078844563 is a prime.

It is a super-2 number, since 2×1078844819² = 2327812286966285522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1078844813) 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, 41494019 + ... + 41494044.

It is an arithmetic number, because the mean of its divisors is an integer number (290458224).

Almost surely, 2^1078844819 is an apocalyptic number.

1078844819 is a deficient number, since it is larger than the sum of its proper divisors (82988077).

1078844819 is an equidigital number, since it uses as much as digits as its factorization.

1078844819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82988076.

The product of its (nonzero) digits is 516096, while the sum is 50.

The square root of 1078844819 is about 32845.7732288342. The cubic root of 1078844819 is about 1025.6196353352.

The spelling of 1078844819 in words is "one billion, seventy-eight million, eight hundred forty-four thousand, eight hundred nineteen".