768107617 has 4 divisors (see below), whose sum is σ = 813290436. Its totient is φ = 722924800.

The previous prime is 768107603. The next prime is 768107629. The reversal of 768107617 is 716701867.

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

It can be written as a sum of positive squares in 2 ways, for example, as 299428416 + 468679201 = 17304^2 + 21649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-768107617 is a prime.

It is a super-2 number, since 2×768107617² = 1179978622586837378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768107917) 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 3 ways as a sum of consecutive naturals, for example, 22591384 + ... + 22591417.

It is an arithmetic number, because the mean of its divisors is an integer number (203322609).

Almost surely, 2^768107617 is an apocalyptic number.

It is an amenable number.

768107617 is a deficient number, since it is larger than the sum of its proper divisors (45182819).

768107617 is a wasteful number, since it uses less digits than its factorization.

768107617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45182818.

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 768107617 is about 27714.7545000853. The cubic root of 768107617 is about 915.8141665979.

The spelling of 768107617 in words is "seven hundred sixty-eight million, one hundred seven thousand, six hundred seventeen".