27577338993 has 12 divisors (see below), whose sum is σ = 39835765008. Its totient is φ = 18384047640.

The previous prime is 27577338983. The next prime is 27577339033. The reversal of 27577338993 is 39983377572.

27577338993 is a `hidden beast` number, since 27 + 577 + 3 + 38 + 9 + 9 + 3 = 666.

It is not a de Polignac number, because 27577338993 - 2⁴ = 27577338977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27577338993.

It is not an unprimeable number, because it can be changed into a prime (27577338923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185046 + ... + 298992.

It is an arithmetic number, because the mean of its divisors is an integer number (3319647084).

Almost surely, 2^27577338993 is an apocalyptic number.

It is an amenable number.

27577338993 is a deficient number, since it is larger than the sum of its proper divisors (12258426015).

27577338993 is a wasteful number, since it uses less digits than its factorization.

27577338993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140844 (or 140841 counting only the distinct ones).

The product of its digits is 60011280, while the sum is 63.

The spelling of 27577338993 in words is "twenty-seven billion, five hundred seventy-seven million, three hundred thirty-eight thousand, nine hundred ninety-three".