27638583923 has 8 divisors (see below), whose sum is σ = 28324598400. Its totient is φ = 26953136320.

The previous prime is 27638583911. The next prime is 27638583937. The reversal of 27638583923 is 32938583672.

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

It is a cyclic number.

It is not a de Polignac number, because 27638583923 - 2¹⁸ = 27638321779 is a prime.

It is a super-3 number, since 3×27638583923³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27638586923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42140 + ... + 238857.

It is an arithmetic number, because the mean of its divisors is an integer number (3540574800).

Almost surely, 2^27638583923 is an apocalyptic number.

27638583923 is a deficient number, since it is larger than the sum of its proper divisors (686014477).

27638583923 is a wasteful number, since it uses less digits than its factorization.

27638583923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283437.

The product of its digits is 13063680, while the sum is 56.

The spelling of 27638583923 in words is "twenty-seven billion, six hundred thirty-eight million, five hundred eighty-three thousand, nine hundred twenty-three".