27873197386 has 8 divisors (see below), whose sum is σ = 41873050404. Its totient is φ = 13915513920.

The previous prime is 27873197371. The next prime is 27873197413. The reversal of 27873197386 is 68379137872.

It can be written as a sum of positive squares in 2 ways, for example, as 27757226025 + 115971361 = 166605^2 + 10769^2 .

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

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, 10540735 + ... + 10543378.

Almost surely, 2^27873197386 is an apocalyptic number.

27873197386 is a deficient number, since it is larger than the sum of its proper divisors (13999853018).

27873197386 is a wasteful number, since it uses less digits than its factorization.

27873197386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21084776.

The product of its digits is 21337344, while the sum is 61.

The spelling of 27873197386 in words is "twenty-seven billion, eight hundred seventy-three million, one hundred ninety-seven thousand, three hundred eighty-six".