27530252808 has 32 divisors (see below), whose sum is σ = 68845056000. Its totient is φ = 9174161088.

The previous prime is 27530252807. The next prime is 27530252833. The reversal of 27530252808 is 80825203572.

It is a self number, because there is not a number n which added to its sum of digits gives 27530252808.

It is not an unprimeable number, because it can be changed into a prime (27530252803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74083 + ... + 246066.

It is an arithmetic number, because the mean of its divisors is an integer number (2151408000).

Almost surely, 2^27530252808 is an apocalyptic number.

It is an amenable number.

27530252808 is an abundant number, since it is smaller than the sum of its proper divisors (41314803192).

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

27530252808 is a wasteful number, since it uses less digits than its factorization.

27530252808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323741 (or 323737 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 27530252808 in words is "twenty-seven billion, five hundred thirty million, two hundred fifty-two thousand, eight hundred eight".