768437387 has 8 divisors (see below), whose sum is σ = 809203200. Its totient is φ = 727703784.

The previous prime is 768437363. The next prime is 768437431. The reversal of 768437387 is 783734867.

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

It is a cyclic number.

It is not a de Polignac number, because 768437387 - 2¹² = 768433291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768437687) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 52778 + ... + 65744.

It is an arithmetic number, because the mean of its divisors is an integer number (101150400).

Almost surely, 2^768437387 is an apocalyptic number.

768437387 is a deficient number, since it is larger than the sum of its proper divisors (40765813).

768437387 is a wasteful number, since it uses less digits than its factorization.

768437387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16105.

The product of its digits is 4741632, while the sum is 53.

The square root of 768437387 is about 27720.7032197958. The cubic root of 768437387 is about 915.9452093585.

The spelling of 768437387 in words is "seven hundred sixty-eight million, four hundred thirty-seven thousand, three hundred eighty-seven".