27826674489 has 12 divisors (see below), whose sum is σ = 40195554516. Its totient is φ = 18550438272.

The previous prime is 27826674481. The next prime is 27826674497. The reversal of 27826674489 is 98447662872.

27826674489 is a `hidden beast` number, since 2 + 7 + 82 + 6 + 6 + 74 + 489 = 666.

It is an interprime number because it is at equal distance from previous prime (27826674481) and next prime (27826674497).

It can be written as a sum of positive squares in 2 ways, for example, as 13177203264 + 14649471225 = 114792^2 + 121035^2 .

It is not a de Polignac number, because 27826674489 - 2³ = 27826674481 is a prime.

It is a super-2 number, since 2×27826674489² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27826674481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 384837 + ... + 451389.

It is an arithmetic number, because the mean of its divisors is an integer number (3349629543).

Almost surely, 2^27826674489 is an apocalyptic number.

It is an amenable number.

27826674489 is a deficient number, since it is larger than the sum of its proper divisors (12368880027).

27826674489 is a wasteful number, since it uses less digits than its factorization.

27826674489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113016 (or 113013 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 63.

The spelling of 27826674489 in words is "twenty-seven billion, eight hundred twenty-six million, six hundred seventy-four thousand, four hundred eighty-nine".