27840532903 has 8 divisors (see below), whose sum is σ = 27959809968. Its totient is φ = 27721391424.

The previous prime is 27840532883. The next prime is 27840532913. The reversal of 27840532903 is 30923504872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27840532903 - 2⁵ = 27840532871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27840532903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27840532913) 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, 388875 + ... + 454867.

It is an arithmetic number, because the mean of its divisors is an integer number (3494976246).

Almost surely, 2^27840532903 is an apocalyptic number.

27840532903 is a deficient number, since it is larger than the sum of its proper divisors (119277065).

27840532903 is a wasteful number, since it uses less digits than its factorization.

27840532903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67793.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 27840532903 in words is "twenty-seven billion, eight hundred forty million, five hundred thirty-two thousand, nine hundred three".