778578283 has 8 divisors (see below), whose sum is σ = 920486880. Its totient is φ = 644340480.

The previous prime is 778578271. The next prime is 778578289. The reversal of 778578283 is 382875877.

778578283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 778578283 - 2¹⁷ = 778447211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (778578289) 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, 1917478 + ... + 1917883.

It is an arithmetic number, because the mean of its divisors is an integer number (115060860).

Almost surely, 2^778578283 is an apocalyptic number.

778578283 is a deficient number, since it is larger than the sum of its proper divisors (141908597).

778578283 is a wasteful number, since it uses less digits than its factorization.

778578283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835397.

The product of its digits is 5268480, while the sum is 55.

The square root of 778578283 is about 27903.0156613940. The cubic root of 778578283 is about 919.9567886919.

It can be divided in two parts, 7785 and 78283, that added together give a palindrome (86068).

The spelling of 778578283 in words is "seven hundred seventy-eight million, five hundred seventy-eight thousand, two hundred eighty-three".