7686648127 has 4 divisors (see below), whose sum is σ = 7762753656. Its totient is φ = 7610542600.

The previous prime is 7686648091. The next prime is 7686648149. The reversal of 7686648127 is 7218466867.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7686648127 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 (7686648527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38052613 + ... + 38052814.

It is an arithmetic number, because the mean of its divisors is an integer number (1940688414).

Almost surely, 2^7686648127 is an apocalyptic number.

7686648127 is a deficient number, since it is larger than the sum of its proper divisors (76105529).

7686648127 is a wasteful number, since it uses less digits than its factorization.

7686648127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76105528.

The product of its digits is 5419008, while the sum is 55.

The square root of 7686648127 is about 87673.5315075194. The cubic root of 7686648127 is about 1973.5387901040.

The spelling of 7686648127 in words is "seven billion, six hundred eighty-six million, six hundred forty-eight thousand, one hundred twenty-seven".