27859366809055 has 32 divisors (see below), whose sum is σ = 36095624183808. Its totient is φ = 20581774012800.

The previous prime is 27859366809019. The next prime is 27859366809073. The reversal of 27859366809055 is 55090866395872.

It is not a de Polignac number, because 27859366809055 - 2²⁷ = 27859232591327 is a prime.

It is a super-2 number, since 2×27859366809055² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 7780239 + ... + 10781968.

It is an arithmetic number, because the mean of its divisors is an integer number (1127988255744).

Almost surely, 2^{27859366809055} is an apocalyptic number.

27859366809055 is a deficient number, since it is larger than the sum of its proper divisors (8236257374753).

27859366809055 is a wasteful number, since it uses less digits than its factorization.

27859366809055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18562687.

The product of its (nonzero) digits is 979776000, while the sum is 73.

The spelling of 27859366809055 in words is "twenty-seven trillion, eight hundred fifty-nine billion, three hundred sixty-six million, eight hundred nine thousand, fifty-five".