27997985303 has 8 divisors (see below), whose sum is σ = 28248278400. Its totient is φ = 27748650168.

The previous prime is 27997985297. The next prime is 27997985311. The reversal of 27997985303 is 30358979972.

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 27997985303 - 2⁸ = 27997985047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27997985503) 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, 180713 + ... + 297746.

It is an arithmetic number, because the mean of its divisors is an integer number (3531034800).

Almost surely, 2^27997985303 is an apocalyptic number.

27997985303 is a deficient number, since it is larger than the sum of its proper divisors (250293097).

27997985303 is a wasteful number, since it uses less digits than its factorization.

27997985303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478981.

The product of its (nonzero) digits is 25719120, while the sum is 62.

The spelling of 27997985303 in words is "twenty-seven billion, nine hundred ninety-seven million, nine hundred eighty-five thousand, three hundred three".