6923778338 has 4 divisors (see below), whose sum is σ = 10385667510. Its totient is φ = 3461889168.

The previous prime is 6923778319. The next prime is 6923778349. The reversal of 6923778338 is 8338773296.

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., 6783663769 + 140114569 = 82363^2 + 11837^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1730944583 + ... + 1730944586.

Almost surely, 2^6923778338 is an apocalyptic number.

6923778338 is a deficient number, since it is larger than the sum of its proper divisors (3461889172).

6923778338 is a wasteful number, since it uses less digits than its factorization.

6923778338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461889171.

The product of its digits is 9144576, while the sum is 56.

The square root of 6923778338 is about 83209.2443061467. The cubic root of 6923778338 is about 1905.9626475498.

The spelling of 6923778338 in words is "six billion, nine hundred twenty-three million, seven hundred seventy-eight thousand, three hundred thirty-eight".