27973713635 has 24 divisors (see below), whose sum is σ = 40395548880. Its totient is φ = 18520522944.

The previous prime is 27973713583. The next prime is 27973713641. The reversal of 27973713635 is 53631737972.

It is not a de Polignac number, because 27973713635 - 2¹⁸ = 27973451491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1961489 + ... + 1975698.

It is an arithmetic number, because the mean of its divisors is an integer number (1683147870).

Almost surely, 2^27973713635 is an apocalyptic number.

27973713635 is a deficient number, since it is larger than the sum of its proper divisors (12421835245).

27973713635 is a wasteful number, since it uses less digits than its factorization.

27973713635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937235 (or 3937228 counting only the distinct ones).

The product of its digits is 5000940, while the sum is 53.

The spelling of 27973713635 in words is "twenty-seven billion, nine hundred seventy-three million, seven hundred thirteen thousand, six hundred thirty-five".