768255215 has 32 divisors (see below), whose sum is σ = 1194385920. Its totient is φ = 460681344.

The previous prime is 768255203. The next prime is 768255251. The reversal of 768255215 is 512552867.

It is a cyclic number.

It is not a de Polignac number, because 768255215 - 2⁸ = 768254959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35789 + ... + 53078.

It is an arithmetic number, because the mean of its divisors is an integer number (37324560).

Almost surely, 2^768255215 is an apocalyptic number.

768255215 is a deficient number, since it is larger than the sum of its proper divisors (426130705).

768255215 is a wasteful number, since it uses less digits than its factorization.

768255215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88911.

The product of its digits is 168000, while the sum is 41.

The square root of 768255215 is about 27717.4171776520. The cubic root of 768255215 is about 915.8728231711.

The spelling of 768255215 in words is "seven hundred sixty-eight million, two hundred fifty-five thousand, two hundred fifteen".