27551920086 has 24 divisors (see below), whose sum is σ = 59780051760. Its totient is φ = 9171015696.

The previous prime is 27551920073. The next prime is 27551920129. The reversal of 27551920086 is 68002915572.

27551920086 is a `hidden beast` number, since 2 + 7 + 551 + 92 + 0 + 0 + 8 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1066690 + ... + 1092213.

It is an arithmetic number, because the mean of its divisors is an integer number (2490835490).

Almost surely, 2^27551920086 is an apocalyptic number.

27551920086 is an abundant number, since it is smaller than the sum of its proper divisors (32228131674).

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

27551920086 is a wasteful number, since it uses less digits than its factorization.

27551920086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159620 (or 2159617 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 27551920086 in words is "twenty-seven billion, five hundred fifty-one million, nine hundred twenty thousand, eighty-six".