27953000808 has 32 divisors (see below), whose sum is σ = 70077182400. Its totient is φ = 9291709568.

The previous prime is 27953000807. The next prime is 27953000819. The reversal of 27953000808 is 80800035972.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 27953000808.

It is not an unprimeable number, because it can be changed into a prime (27953000807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613541 + ... + 1630772.

It is an arithmetic number, because the mean of its divisors is an integer number (2189911950).

Almost surely, 2^27953000808 is an apocalyptic number.

It is an amenable number.

27953000808 is an abundant number, since it is smaller than the sum of its proper divisors (42124181592).

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

27953000808 is a wasteful number, since it uses less digits than its factorization.

27953000808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244681 (or 3244677 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 27953000808 in words is "twenty-seven billion, nine hundred fifty-three million, eight hundred eight", and thus it is an aban number.