27716767717 has 8 divisors (see below), whose sum is σ = 29442764736. Its totient is φ = 26001392832.

The previous prime is 27716767709. The next prime is 27716767721. The reversal of 27716767717 is 71776761772.

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

It is not a de Polignac number, because 27716767717 - 2³ = 27716767709 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 (27716761717) 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, 2650153 + ... + 2660590.

It is an arithmetic number, because the mean of its divisors is an integer number (3680345592).

Almost surely, 2^27716767717 is an apocalyptic number.

It is an amenable number.

27716767717 is a deficient number, since it is larger than the sum of its proper divisors (1725997019).

27716767717 is a wasteful number, since it uses less digits than its factorization.

27716767717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5311067.

The product of its digits is 8470728, while the sum is 58.

The spelling of 27716767717 in words is "twenty-seven billion, seven hundred sixteen million, seven hundred sixty-seven thousand, seven hundred seventeen".