27285008923 has 4 divisors (see below), whose sum is σ = 27307320048. Its totient is φ = 27262697800.

The previous prime is 27285008899. The next prime is 27285008939. The reversal of 27285008923 is 32980058272.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27285008923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27285008983) 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, 11153728 + ... + 11156173.

It is an arithmetic number, because the mean of its divisors is an integer number (6826830012).

Almost surely, 2^27285008923 is an apocalyptic number.

27285008923 is a deficient number, since it is larger than the sum of its proper divisors (22311125).

27285008923 is a wasteful number, since it uses less digits than its factorization.

27285008923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22311124.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 27285008923 in words is "twenty-seven billion, two hundred eighty-five million, eight thousand, nine hundred twenty-three".