768597987 has 8 divisors (see below), whose sum is σ = 1041597520. Its totient is φ = 503998560.

The previous prime is 768597959. The next prime is 768598001. The reversal of 768597987 is 789795867.

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

It is not a de Polignac number, because 768597987 - 2¹¹ = 768595939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768597917) 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, 2099812 + ... + 2100177.

It is an arithmetic number, because the mean of its divisors is an integer number (130199690).

Almost surely, 2^768597987 is an apocalyptic number.

768597987 is a deficient number, since it is larger than the sum of its proper divisors (272999533).

768597987 is a wasteful number, since it uses less digits than its factorization.

768597987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200053.

The product of its digits is 53343360, while the sum is 66.

The square root of 768597987 is about 27723.5998203696. The cubic root of 768597987 is about 916.0090144069.

The spelling of 768597987 in words is "seven hundred sixty-eight million, five hundred ninety-seven thousand, nine hundred eighty-seven".