7647766948 has 48 divisors (see below), whose sum is σ = 14596122240. Its totient is φ = 3491513856.

The previous prime is 7647766943. The next prime is 7647766957. The reversal of 7647766948 is 8496677467.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7647766948.

It is not an unprimeable number, because it can be changed into a prime (7647766943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899011 + ... + 907477.

It is an arithmetic number, because the mean of its divisors is an integer number (304085880).

Almost surely, 2^7647766948 is an apocalyptic number.

It is an amenable number.

7647766948 is a deficient number, since it is larger than the sum of its proper divisors (6948355292).

7647766948 is a wasteful number, since it uses less digits than its factorization.

7647766948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8884 (or 8882 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 64.

The square root of 7647766948 is about 87451.5119823551. The cubic root of 7647766948 is about 1970.2055964833.

The spelling of 7647766948 in words is "seven billion, six hundred forty-seven million, seven hundred sixty-six thousand, nine hundred forty-eight".