27790555089 has 96 divisors (see below), whose sum is σ = 42995814400. Its totient is φ = 15935356800.

The previous prime is 27790555073. The next prime is 27790555109. The reversal of 27790555089 is 98055509772.

It is not a de Polignac number, because 27790555089 - 2⁴ = 27790555073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27790555049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 170494122 + ... + 170494284.

Almost surely, 2^27790555089 is an apocalyptic number.

It is an amenable number.

27790555089 is a deficient number, since it is larger than the sum of its proper divisors (15205259311).

27790555089 is a wasteful number, since it uses less digits than its factorization.

27790555089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 57.

The spelling of 27790555089 in words is "twenty-seven billion, seven hundred ninety million, five hundred fifty-five thousand, eighty-nine".