27380913838 has 8 divisors (see below), whose sum is σ = 41078660832. Its totient is φ = 13688026896.

The previous prime is 27380913829. The next prime is 27380913839. The reversal of 27380913838 is 83831908372.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27380913839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200895 + ... + 1223482.

It is an arithmetic number, because the mean of its divisors is an integer number (5134832604).

Almost surely, 2^27380913838 is an apocalyptic number.

27380913838 is a deficient number, since it is larger than the sum of its proper divisors (13697746994).

27380913838 is a wasteful number, since it uses less digits than its factorization.

27380913838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430026.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 27380913838 in words is "twenty-seven billion, three hundred eighty million, nine hundred thirteen thousand, eight hundred thirty-eight".