768644675 has 6 divisors (see below), whose sum is σ = 953119428. Its totient is φ = 614915720.

The previous prime is 768644663. The next prime is 768644687. The reversal of 768644675 is 576446867.

It is an interprime number because it is at equal distance from previous prime (768644663) and next prime (768644687).

It is not a de Polignac number, because 768644675 - 2¹⁶ = 768579139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15372869 + ... + 15372918.

It is an arithmetic number, because the mean of its divisors is an integer number (158853238).

Almost surely, 2^768644675 is an apocalyptic number.

768644675 is a deficient number, since it is larger than the sum of its proper divisors (184474753).

768644675 is a wasteful number, since it uses less digits than its factorization.

768644675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30745797 (or 30745792 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 53.

The square root of 768644675 is about 27724.4418338765. The cubic root of 768644675 is about 916.0275614947.

The spelling of 768644675 in words is "seven hundred sixty-eight million, six hundred forty-four thousand, six hundred seventy-five".