27500265764765 has 16 divisors (see below), whose sum is σ = 35074371644928. Its totient is φ = 20627352089856.

The previous prime is 27500265764761. The next prime is 27500265764779. The reversal of 27500265764765 is 56746756200572.

It is a cyclic number.

It is not a de Polignac number, because 27500265764765 - 2² = 27500265764761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27500265764698 and 27500265764707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27500265764761) 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, 615058517 + ... + 615103226.

It is an arithmetic number, because the mean of its divisors is an integer number (2192148227808).

Almost surely, 2^{27500265764765} is an apocalyptic number.

It is an amenable number.

27500265764765 is a deficient number, since it is larger than the sum of its proper divisors (7574105880163).

27500265764765 is a wasteful number, since it uses less digits than its factorization.

27500265764765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230162028.

The product of its (nonzero) digits is 148176000, while the sum is 62.

The spelling of 27500265764765 in words is "twenty-seven trillion, five hundred billion, two hundred sixty-five million, seven hundred sixty-four thousand, seven hundred sixty-five".