768530515 has 32 divisors (see below), whose sum is σ = 967942080. Its totient is φ = 585252864.

The previous prime is 768530489. The next prime is 768530569. The reversal of 768530515 is 515035867.

It is a cyclic number.

It is not a de Polignac number, because 768530515 - 2⁷ = 768530387 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2027596 + ... + 2027974.

It is an arithmetic number, because the mean of its divisors is an integer number (30248190).

Almost surely, 2^768530515 is an apocalyptic number.

768530515 is a deficient number, since it is larger than the sum of its proper divisors (199411565).

768530515 is a wasteful number, since it uses less digits than its factorization.

768530515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 768530515 is about 27722.3829242726. The cubic root of 768530515 is about 915.9822094235.

The spelling of 768530515 in words is "seven hundred sixty-eight million, five hundred thirty thousand, five hundred fifteen".