27822565364 has 48 divisors (see below), whose sum is σ = 56283304896. Its totient is φ = 11893593600.

The previous prime is 27822565361. The next prime is 27822565427. The reversal of 27822565364 is 46356522872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27822565361) 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, 1013459 + ... + 1040549.

It is an arithmetic number, because the mean of its divisors is an integer number (1172568852).

Almost surely, 2^27822565364 is an apocalyptic number.

It is an amenable number.

27822565364 is an abundant number, since it is smaller than the sum of its proper divisors (28460739532).

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

27822565364 is a wasteful number, since it uses less digits than its factorization.

27822565364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28496 (or 28494 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 50.

The spelling of 27822565364 in words is "twenty-seven billion, eight hundred twenty-two million, five hundred sixty-five thousand, three hundred sixty-four".