763646648 has 32 divisors (see below), whose sum is σ = 1468877760. Its totient is φ = 371973120.

The previous prime is 763646641. The next prime is 763646659. The reversal of 763646648 is 846646367.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 763646596 and 763646605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (763646641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319265 + ... + 321647.

It is an arithmetic number, because the mean of its divisors is an integer number (45902430).

Almost surely, 2^763646648 is an apocalyptic number.

It is an amenable number.

763646648 is a deficient number, since it is larger than the sum of its proper divisors (705231112).

763646648 is a wasteful number, since it uses less digits than its factorization.

763646648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407 (or 3403 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 50.

The square root of 763646648 is about 27634.1572695822. The cubic root of 763646648 is about 914.0377865048.

The spelling of 763646648 in words is "seven hundred sixty-three million, six hundred forty-six thousand, six hundred forty-eight".