6240776647 has 16 divisors (see below), whose sum is σ = 7177024512. Its totient is φ = 5315813280.

The previous prime is 6240776627. The next prime is 6240776657. The reversal of 6240776647 is 7466770426.

It is a happy number.

6240776647 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6240776647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6240776647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6240776627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748572 + ... + 756862.

It is an arithmetic number, because the mean of its divisors is an integer number (448564032).

Almost surely, 2^6240776647 is an apocalyptic number.

6240776647 is a deficient number, since it is larger than the sum of its proper divisors (936247865).

6240776647 is a wasteful number, since it uses less digits than its factorization.

6240776647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8958.

The product of its (nonzero) digits is 2370816, while the sum is 49.

The square root of 6240776647 is about 78998.5863607698. The cubic root of 6240776647 is about 1841.1091932819.

The spelling of 6240776647 in words is "six billion, two hundred forty million, seven hundred seventy-six thousand, six hundred forty-seven".