27402889323 has 4 divisors (see below), whose sum is σ = 36537185768. Its totient is φ = 18268592880.

The previous prime is 27402889321. The next prime is 27402889331. The reversal of 27402889323 is 32398820472.

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

It is not a de Polignac number, because 27402889323 - 2¹ = 27402889321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27402889321) 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, 4567148218 + ... + 4567148223.

It is an arithmetic number, because the mean of its divisors is an integer number (9134296442).

Almost surely, 2^27402889323 is an apocalyptic number.

27402889323 is a deficient number, since it is larger than the sum of its proper divisors (9134296445).

27402889323 is an equidigital number, since it uses as much as digits as its factorization.

27402889323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9134296444.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 27402889323 in words is "twenty-seven billion, four hundred two million, eight hundred eighty-nine thousand, three hundred twenty-three".