27223510577655 has 32 divisors (see below), whose sum is σ = 49872148766208. Its totient is φ = 12422029622400.

The previous prime is 27223510577623. The next prime is 27223510577677. The reversal of 27223510577655 is 55677501532272.

It is not a de Polignac number, because 27223510577655 - 2⁵ = 27223510577623 is a prime.

It is a super-2 number, since 2×27223510577655² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27223510577595 and 27223510577604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239565681 + ... + 239679290.

It is an arithmetic number, because the mean of its divisors is an integer number (1558504648944).

Almost surely, 2^{27223510577655} is an apocalyptic number.

27223510577655 is a deficient number, since it is larger than the sum of its proper divisors (22648638188553).

27223510577655 is a wasteful number, since it uses less digits than its factorization.

27223510577655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479245527.

The product of its (nonzero) digits is 30870000, while the sum is 57.

The spelling of 27223510577655 in words is "twenty-seven trillion, two hundred twenty-three billion, five hundred ten million, five hundred seventy-seven thousand, six hundred fifty-five".