27691180404 has 72 divisors (see below), whose sum is σ = 68393836224. Its totient is φ = 8714620800.

The previous prime is 27691180369. The next prime is 27691180411. The reversal of 27691180404 is 40408119672.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 443529 + ... + 502095.

It is an arithmetic number, because the mean of its divisors is an integer number (949914392).

Almost surely, 2^27691180404 is an apocalyptic number.

It is an amenable number.

27691180404 is an abundant number, since it is smaller than the sum of its proper divisors (40702655820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27691180404 is a wasteful number, since it uses less digits than its factorization.

27691180404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58677 (or 58644 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 27691180404 in words is "twenty-seven billion, six hundred ninety-one million, one hundred eighty thousand, four hundred four".