27805552894 has 16 divisors (see below), whose sum is σ = 47880419328. Its totient is φ = 11863226232.

The previous prime is 27805552867. The next prime is 27805552987. The reversal of 27805552894 is 49825550872.

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, 4450042 + ... + 4456285.

It is an arithmetic number, because the mean of its divisors is an integer number (2992526208).

Almost surely, 2^27805552894 is an apocalyptic number.

27805552894 is a deficient number, since it is larger than the sum of its proper divisors (20074866434).

27805552894 is a wasteful number, since it uses less digits than its factorization.

27805552894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8906559.

The product of its (nonzero) digits is 8064000, while the sum is 55.

The spelling of 27805552894 in words is "twenty-seven billion, eight hundred five million, five hundred fifty-two thousand, eight hundred ninety-four".