6512078768 has 20 divisors (see below), whose sum is σ = 13587703248. Its totient is φ = 3005574720.

The previous prime is 6512078761. The next prime is 6512078779. The reversal of 6512078768 is 8678702156.

It is not an unprimeable number, because it can be changed into a prime (6512078761) 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, 15653828 + ... + 15654243.

Almost surely, 2^6512078768 is an apocalyptic number.

It is an amenable number.

6512078768 is an abundant number, since it is smaller than the sum of its proper divisors (7075624480).

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

6512078768 is a wasteful number, since it uses less digits than its factorization.

6512078768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31308092 (or 31308086 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 50.

The square root of 6512078768 is about 80697.4520539527. The cubic root of 6512078768 is about 1867.4108665860.

The spelling of 6512078768 in words is "six billion, five hundred twelve million, seventy-eight thousand, seven hundred sixty-eight".