27677959706886 has 16 divisors (see below), whose sum is σ = 55356223853568. Its totient is φ = 9225935829000.

The previous prime is 27677959706849. The next prime is 27677959706927. The reversal of 27677959706886 is 68860795977672.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11494510 + ... + 13692321.

It is an arithmetic number, because the mean of its divisors is an integer number (3459763990848).

Almost surely, 2^{27677959706886} is an apocalyptic number.

27677959706886 is an abundant number, since it is smaller than the sum of its proper divisors (27678264146682).

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

27677959706886 is a wasteful number, since it uses less digits than its factorization.

27677959706886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25369987.

The product of its (nonzero) digits is 26885053440, while the sum is 87.

The spelling of 27677959706886 in words is "twenty-seven trillion, six hundred seventy-seven billion, nine hundred fifty-nine million, seven hundred six thousand, eight hundred eighty-six".