768306215 has 8 divisors (see below), whose sum is σ = 922384320. Its totient is φ = 614367072.

The previous prime is 768306199. The next prime is 768306289. The reversal of 768306215 is 512603867.

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 768306215 - 2⁴ = 768306199 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 22160 + ... + 45029.

It is an arithmetic number, because the mean of its divisors is an integer number (115298040).

Almost surely, 2^768306215 is an apocalyptic number.

768306215 is a deficient number, since it is larger than the sum of its proper divisors (154078105).

768306215 is a wasteful number, since it uses less digits than its factorization.

768306215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69481.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 768306215 is about 27718.3371615254. The cubic root of 768306215 is about 915.8930892145.

The spelling of 768306215 in words is "seven hundred sixty-eight million, three hundred six thousand, two hundred fifteen".