27789313 has 8 divisors (see below), whose sum is σ = 29348928. Its totient is φ = 26259024.

The previous prime is 27789283. The next prime is 27789317. The reversal of 27789313 is 31398772.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27789313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27789317) 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, 5370 + ... + 9187.

It is an arithmetic number, because the mean of its divisors is an integer number (3668616).

Almost surely, 2^27789313 is an apocalyptic number.

27789313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

27789313 is a deficient number, since it is larger than the sum of its proper divisors (1559615).

27789313 is a wasteful number, since it uses less digits than its factorization.

27789313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14663.

The product of its digits is 63504, while the sum is 40.

The square root of 27789313 is about 5271.5569806273. The cubic root of 27789313 is about 302.8953481168.

The spelling of 27789313 in words is "twenty-seven million, seven hundred eighty-nine thousand, three hundred thirteen".