27707776459 has 32 divisors (see below), whose sum is σ = 31990464000. Its totient is φ = 23751932160.

The previous prime is 27707776433. The next prime is 27707776477. The reversal of 27707776459 is 95467770772.

It is not a de Polignac number, because 27707776459 - 2⁵ = 27707776427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27707776397 and 27707776406.

It is not an unprimeable number, because it can be changed into a prime (27707776489) 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 31 ways as a sum of consecutive naturals, for example, 8397192 + ... + 8400490.

It is an arithmetic number, because the mean of its divisors is an integer number (999702000).

Almost surely, 2^27707776459 is an apocalyptic number.

27707776459 is a deficient number, since it is larger than the sum of its proper divisors (4282687541).

27707776459 is a wasteful number, since it uses less digits than its factorization.

27707776459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795.

The product of its (nonzero) digits is 36303120, while the sum is 61.

The spelling of 27707776459 in words is "twenty-seven billion, seven hundred seven million, seven hundred seventy-six thousand, four hundred fifty-nine".