768492609 has 8 divisors (see below), whose sum is σ = 1024882752. Its totient is φ = 512215440.

The previous prime is 768492577. The next prime is 768492617. The reversal of 768492609 is 906294867.

It is a happy number.

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

It is not a de Polignac number, because 768492609 - 2⁵ = 768492577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (768492679) 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 7 ways as a sum of consecutive naturals, for example, 10837 + ... + 40674.

It is an arithmetic number, because the mean of its divisors is an integer number (128110344).

Almost surely, 2^768492609 is an apocalyptic number.

It is an amenable number.

768492609 is a deficient number, since it is larger than the sum of its proper divisors (256390143).

768492609 is a wasteful number, since it uses less digits than its factorization.

768492609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56487.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 768492609 is about 27721.6992444547. The cubic root of 768492609 is about 915.9671496041.

The spelling of 768492609 in words is "seven hundred sixty-eight million, four hundred ninety-two thousand, six hundred nine".