6778630652 has 6 divisors (see below), whose sum is σ = 11862603648. Its totient is φ = 3389315324.

The previous prime is 6778630637. The next prime is 6778630669. The reversal of 6778630652 is 2560368776.

It is a self number, because there is not a number n which added to its sum of digits gives 6778630652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 847328828 + ... + 847328835.

It is an arithmetic number, because the mean of its divisors is an integer number (1977100608).

Almost surely, 2^6778630652 is an apocalyptic number.

It is an amenable number.

6778630652 is a deficient number, since it is larger than the sum of its proper divisors (5083972996).

6778630652 is a wasteful number, since it uses less digits than its factorization.

6778630652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694657667 (or 1694657665 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 50.

The square root of 6778630652 is about 82332.4398521020. The cubic root of 6778630652 is about 1892.5498325996.

The spelling of 6778630652 in words is "six billion, seven hundred seventy-eight million, six hundred thirty thousand, six hundred fifty-two".