7683763817 has 8 divisors (see below), whose sum is σ = 7951062600. Its totient is φ = 7416621184.

The previous prime is 7683763777. The next prime is 7683763831. The reversal of 7683763817 is 7183673867.

It can be written as a sum of positive squares in 4 ways, for example, as 565298176 + 7118465641 = 23776^2 + 84371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7683763817 - 2⁸ = 7683763561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7680763817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65909 + ... + 140397.

It is an arithmetic number, because the mean of its divisors is an integer number (993882825).

Almost surely, 2^7683763817 is an apocalyptic number.

It is an amenable number.

7683763817 is a deficient number, since it is larger than the sum of its proper divisors (267298783).

7683763817 is a wasteful number, since it uses less digits than its factorization.

7683763817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78075.

The product of its digits is 7112448, while the sum is 56.

The square root of 7683763817 is about 87657.0808149576. The cubic root of 7683763817 is about 1973.2919113732.

The spelling of 7683763817 in words is "seven billion, six hundred eighty-three million, seven hundred sixty-three thousand, eight hundred seventeen".