6488260776 has 48 divisors (see below), whose sum is σ = 17634963060. Its totient is φ = 2155050240.

The previous prime is 6488260729. The next prime is 6488260777. The reversal of 6488260776 is 6770628846.

It can be written as a sum of positive squares in 2 ways, for example, as 6041952900 + 446307876 = 77730^2 + 21126^2 .

It is not an unprimeable number, because it can be changed into a prime (6488260777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140115 + ... + 180578.

Almost surely, 2^6488260776 is an apocalyptic number.

It is an amenable number.

6488260776 is an abundant number, since it is smaller than the sum of its proper divisors (11146702284).

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

6488260776 is a wasteful number, since it uses less digits than its factorization.

6488260776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320986 (or 320979 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The square root of 6488260776 is about 80549.7410051702. The cubic root of 6488260776 is about 1865.1313940687.

The spelling of 6488260776 in words is "six billion, four hundred eighty-eight million, two hundred sixty thousand, seven hundred seventy-six".