27844220338 has 32 divisors (see below), whose sum is σ = 48567340800. Its totient is φ = 11831996160.

The previous prime is 27844220329. The next prime is 27844220347. The reversal of 27844220338 is 83302244872.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27844220329) and next prime (27844220347).

It is a junction number, because it is equal to n+sod(n) for n = 27844220294 and 27844220303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194106 + ... + 305557.

It is an arithmetic number, because the mean of its divisors is an integer number (1517729400).

Almost surely, 2^27844220338 is an apocalyptic number.

27844220338 is a deficient number, since it is larger than the sum of its proper divisors (20723120462).

27844220338 is a wasteful number, since it uses less digits than its factorization.

27844220338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499842.

The product of its (nonzero) digits is 516096, while the sum is 43.

The spelling of 27844220338 in words is "twenty-seven billion, eight hundred forty-four million, two hundred twenty thousand, three hundred thirty-eight".