27777673707 has 16 divisors (see below), whose sum is σ = 42422169600. Its totient is φ = 15837599232.

The previous prime is 27777673699. The next prime is 27777673709. The reversal of 27777673707 is 70737677772.

It is a happy number.

It is not a de Polignac number, because 27777673707 - 2³ = 27777673699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27777673709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1463563 + ... + 1482420.

It is an arithmetic number, because the mean of its divisors is an integer number (2651385600).

Almost surely, 2^27777673707 is an apocalyptic number.

27777673707 is a deficient number, since it is larger than the sum of its proper divisors (14644495893).

27777673707 is a wasteful number, since it uses less digits than its factorization.

27777673707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946442.

The product of its (nonzero) digits is 29647548, while the sum is 60.

The spelling of 27777673707 in words is "twenty-seven billion, seven hundred seventy-seven million, six hundred seventy-three thousand, seven hundred seven".