27565361652 has 48 divisors (see below), whose sum is σ = 67726632960. Its totient is φ = 8701992288.

The previous prime is 27565361641. The next prime is 27565361699. The reversal of 27565361652 is 25616356572.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739453 + ... + 775835.

It is an arithmetic number, because the mean of its divisors is an integer number (1410971520).

Almost surely, 2^27565361652 is an apocalyptic number.

It is an amenable number.

27565361652 is an abundant number, since it is smaller than the sum of its proper divisors (40161271308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27565361652 is a wasteful number, since it uses less digits than its factorization.

27565361652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39732 (or 39730 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 48.

The spelling of 27565361652 in words is "twenty-seven billion, five hundred sixty-five million, three hundred sixty-one thousand, six hundred fifty-two".