27773326138 has 8 divisors (see below), whose sum is σ = 41939586900. Its totient is φ = 13793463840.

The previous prime is 27773326123. The next prime is 27773326153. The reversal of 27773326138 is 83162337772.

It is an interprime number because it is at equal distance from previous prime (27773326123) and next prime (27773326153).

It can be written as a sum of positive squares in 2 ways, for example, as 27295335369 + 477990769 = 165213^2 + 21863^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 27773326091 and 27773326100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46599243 + ... + 46599838.

Almost surely, 2^27773326138 is an apocalyptic number.

27773326138 is a deficient number, since it is larger than the sum of its proper divisors (14166260762).

27773326138 is a wasteful number, since it uses less digits than its factorization.

27773326138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93199232.

The product of its digits is 1778112, while the sum is 49.

The spelling of 27773326138 in words is "twenty-seven billion, seven hundred seventy-three million, three hundred twenty-six thousand, one hundred thirty-eight".