27538732783 has 4 divisors (see below), whose sum is σ = 27559966720. Its totient is φ = 27517498848.

The previous prime is 27538732729. The next prime is 27538732787. The reversal of 27538732783 is 38723783572.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27538732783 - 2⁹ = 27538732271 is a prime.

It is a super-3 number, since 3×27538732783³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27538732787) 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, 10615023 + ... + 10617616.

It is an arithmetic number, because the mean of its divisors is an integer number (6889991680).

Almost surely, 2^27538732783 is an apocalyptic number.

27538732783 is a deficient number, since it is larger than the sum of its proper divisors (21233937).

27538732783 is a wasteful number, since it uses less digits than its factorization.

27538732783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21233936.

The product of its digits is 11854080, while the sum is 55.

The spelling of 27538732783 in words is "twenty-seven billion, five hundred thirty-eight million, seven hundred thirty-two thousand, seven hundred eighty-three".