6771551776 has 48 divisors (see below), whose sum is σ = 14789990880. Its totient is φ = 3025799680.

The previous prime is 6771551747. The next prime is 6771551777.

It is a happy number.

6771551776 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (6771551777) 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, 142261 + ... + 183796.

It is an arithmetic number, because the mean of its divisors is an integer number (308124810).

Almost surely, 2^6771551776 is an apocalyptic number.

It is an amenable number.

6771551776 is an abundant number, since it is smaller than the sum of its proper divisors (8018439104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6771551776 is a wasteful number, since it uses less digits than its factorization.

6771551776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326137 (or 326129 counting only the distinct ones).

The product of its digits is 2160900, while the sum is 52.

The square root of 6771551776 is about 82289.4390307772. The cubic root of 6771551776 is about 1891.8908110119.

The spelling of 6771551776 in words is "six billion, seven hundred seventy-one million, five hundred fifty-one thousand, seven hundred seventy-six".