27026894623 has 4 divisors (see below), whose sum is σ = 27070698960. Its totient is φ = 26983090288.

The previous prime is 27026894519. The next prime is 27026894633. The reversal of 27026894623 is 32649862072.

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 27026894623 - 2¹⁷ = 27026763551 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27026894633) 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, 21901243 + ... + 21902476.

It is an arithmetic number, because the mean of its divisors is an integer number (6767674740).

Almost surely, 2^27026894623 is an apocalyptic number.

27026894623 is a deficient number, since it is larger than the sum of its proper divisors (43804337).

27026894623 is an equidigital number, since it uses as much as digits as its factorization.

27026894623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43804336.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 27026894623 in words is "twenty-seven billion, twenty-six million, eight hundred ninety-four thousand, six hundred twenty-three".