6887768005 has 8 divisors (see below), whose sum is σ = 8266081824. Its totient is φ = 5509707600.

The previous prime is 6887767961. The next prime is 6887768021. The reversal of 6887768005 is 5008677886.

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

It is not a de Polignac number, because 6887768005 - 2⁹ = 6887767493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2710 + ... + 117400.

It is an arithmetic number, because the mean of its divisors is an integer number (1033260228).

Almost surely, 2^6887768005 is an apocalyptic number.

It is an amenable number.

6887768005 is a deficient number, since it is larger than the sum of its proper divisors (1378313819).

6887768005 is a wasteful number, since it uses less digits than its factorization.

6887768005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126707.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The square root of 6887768005 is about 82992.5780115306. The cubic root of 6887768005 is about 1902.6526203956.

The spelling of 6887768005 in words is "six billion, eight hundred eighty-seven million, seven hundred sixty-eight thousand, five".