763345663 has 4 divisors (see below), whose sum is σ = 764716680. Its totient is φ = 761974648.

The previous prime is 763345657. The next prime is 763345699. The reversal of 763345663 is 366543367.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 763345663 - 2⁹ = 763345151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (763345633) 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, 684673 + ... + 685786.

It is an arithmetic number, because the mean of its divisors is an integer number (191179170).

Almost surely, 2^763345663 is an apocalyptic number.

763345663 is a deficient number, since it is larger than the sum of its proper divisors (1371017).

763345663 is a wasteful number, since it uses less digits than its factorization.

763345663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371016.

The product of its digits is 816480, while the sum is 43.

The square root of 763345663 is about 27628.7108457850. The cubic root of 763345663 is about 913.9176839171.

The spelling of 763345663 in words is "seven hundred sixty-three million, three hundred forty-five thousand, six hundred sixty-three".