27826131 has 4 divisors (see below), whose sum is σ = 37101512. Its totient is φ = 18550752.

The previous prime is 27826121. The next prime is 27826133. The reversal of 27826131 is 13162872.

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

It is not a de Polignac number, because 27826131 - 2¹³ = 27817939 is a prime.

It is a super-2 number, since 2×27826131² = 1548587132858322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27826133) 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, 4637686 + ... + 4637691.

It is an arithmetic number, because the mean of its divisors is an integer number (9275378).

Almost surely, 2^27826131 is an apocalyptic number.

27826131 is a deficient number, since it is larger than the sum of its proper divisors (9275381).

27826131 is an equidigital number, since it uses as much as digits as its factorization.

27826131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9275380.

The product of its digits is 4032, while the sum is 30.

The square root of 27826131 is about 5275.0479618673. The cubic root of 27826131 is about 303.0290575451.

The spelling of 27826131 in words is "twenty-seven million, eight hundred twenty-six thousand, one hundred thirty-one".