5778196394 has 4 divisors (see below), whose sum is σ = 8667294594. Its totient is φ = 2889098196.

The previous prime is 5778196393. The next prime is 5778196409. The reversal of 5778196394 is 4936918775.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5691948025 + 86248369 = 75445^2 + 9287^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5778196393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1444549097 + ... + 1444549100.

Almost surely, 2^5778196394 is an apocalyptic number.

5778196394 is a deficient number, since it is larger than the sum of its proper divisors (2889098200).

5778196394 is a wasteful number, since it uses less digits than its factorization.

5778196394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889098199.

The product of its digits is 11430720, while the sum is 59.

The square root of 5778196394 is about 76014.4485870943. The cubic root of 5778196394 is about 1794.4475395234.

The spelling of 5778196394 in words is "five billion, seven hundred seventy-eight million, one hundred ninety-six thousand, three hundred ninety-four".