38881093828 has 6 divisors (see below), whose sum is σ = 68041914206. Its totient is φ = 19440546912.

The previous prime is 38881093799. The next prime is 38881093829. The reversal of 38881093828 is 82839018883.

It can be written as a sum of positive squares in only one way, i.e., 34554348544 + 4326745284 = 185888^2 + 65778^2 .

It is not an unprimeable number, because it can be changed into a prime (38881093829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4860136725 + ... + 4860136732.

Almost surely, 2^38881093828 is an apocalyptic number.

It is an amenable number.

38881093828 is a deficient number, since it is larger than the sum of its proper divisors (29160820378).

38881093828 is a wasteful number, since it uses less digits than its factorization.

38881093828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9720273461 (or 9720273459 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 58.

The spelling of 38881093828 in words is "thirty-eight billion, eight hundred eighty-one million, ninety-three thousand, eight hundred twenty-eight".