27886379390 has 8 divisors (see below), whose sum is σ = 50195482920. Its totient is φ = 11154551752.

The previous prime is 27886379377. The next prime is 27886379413. The reversal of 27886379390 is 9397368872.

It is a happy number.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1394318960 + ... + 1394318979.

It is an arithmetic number, because the mean of its divisors is an integer number (6274435365).

Almost surely, 2^27886379390 is an apocalyptic number.

27886379390 is a deficient number, since it is larger than the sum of its proper divisors (22309103530).

27886379390 is a wasteful number, since it uses less digits than its factorization.

27886379390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788637946.

The product of its (nonzero) digits is 27433728, while the sum is 62.

The spelling of 27886379390 in words is "twenty-seven billion, eight hundred eighty-six million, three hundred seventy-nine thousand, three hundred ninety".