27713854487 has 4 divisors (see below), whose sum is σ = 30233295816. Its totient is φ = 25194413160.

The previous prime is 27713854477. The next prime is 27713854489. The reversal of 27713854487 is 78445831772.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27713854487 - 2²² = 27709660183 is a prime.

It is a super-2 number, since 2×27713854487² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27713854489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259720648 + ... + 1259720669.

It is an arithmetic number, because the mean of its divisors is an integer number (7558323954).

Almost surely, 2^27713854487 is an apocalyptic number.

27713854487 is a deficient number, since it is larger than the sum of its proper divisors (2519441329).

27713854487 is a wasteful number, since it uses less digits than its factorization.

27713854487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519441328.

The product of its digits is 10536960, while the sum is 56.

The spelling of 27713854487 in words is "twenty-seven billion, seven hundred thirteen million, eight hundred fifty-four thousand, four hundred eighty-seven".