27696925555 has 32 divisors (see below), whose sum is σ = 38289271104. Its totient is φ = 19051462656.

The previous prime is 27696925549. The next prime is 27696925573. The reversal of 27696925555 is 55552969672.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 27696925555 - 2¹³ = 27696917363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27696925493 and 27696925502.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22017 + ... + 236386.

It is an arithmetic number, because the mean of its divisors is an integer number (1196539722).

Almost surely, 2^27696925555 is an apocalyptic number.

27696925555 is a deficient number, since it is larger than the sum of its proper divisors (10592345549).

27696925555 is a wasteful number, since it uses less digits than its factorization.

27696925555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258535.

The product of its digits is 51030000, while the sum is 61.

The spelling of 27696925555 in words is "twenty-seven billion, six hundred ninety-six million, nine hundred twenty-five thousand, five hundred fifty-five".