27116431 has 8 divisors (see below), whose sum is σ = 27520560. Its totient is φ = 26714688.

The previous prime is 27116407. The next prime is 27116483. The reversal of 27116431 is 13461172.

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 27116431 - 2⁷ = 27116303 is a prime.

It is a super-2 number, since 2×27116431² = 1470601660355522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27116396 and 27116405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27116491) 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, 48405 + ... + 48961.

It is an arithmetic number, because the mean of its divisors is an integer number (3440070).

Almost surely, 2^27116431 is an apocalyptic number.

27116431 is a deficient number, since it is larger than the sum of its proper divisors (404129).

27116431 is an equidigital number, since it uses as much as digits as its factorization.

27116431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193.

The product of its digits is 1008, while the sum is 25.

The square root of 27116431 is about 5207.3439486940. The cubic root of 27116431 is about 300.4306075540.

The spelling of 27116431 in words is "twenty-seven million, one hundred sixteen thousand, four hundred thirty-one".