27670307655 has 16 divisors (see below), whose sum is σ = 44537601024. Its totient is φ = 14669127840.

The previous prime is 27670307647. The next prime is 27670307657. The reversal of 27670307655 is 55670307672.

It is not a de Polignac number, because 27670307655 - 2³ = 27670307647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27670307657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5520511 + ... + 5525520.

It is an arithmetic number, because the mean of its divisors is an integer number (2783600064).

Almost surely, 2^27670307655 is an apocalyptic number.

27670307655 is a deficient number, since it is larger than the sum of its proper divisors (16867293369).

27670307655 is a wasteful number, since it uses less digits than its factorization.

27670307655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11046206.

The product of its (nonzero) digits is 1852200, while the sum is 48.

The spelling of 27670307655 in words is "twenty-seven billion, six hundred seventy million, three hundred seven thousand, six hundred fifty-five".