768827755 has 8 divisors (see below), whose sum is σ = 933709392. Its totient is φ = 607651488.

The previous prime is 768827711. The next prime is 768827767. The reversal of 768827755 is 557728867.

It is a happy number.

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 768827755 - 2⁹ = 768827243 is a prime.

It is a super-2 number, since 2×768827755² = 1182192233716680050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 768827696 and 768827705.

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, 925884 + ... + 926713.

It is an arithmetic number, because the mean of its divisors is an integer number (116713674).

Almost surely, 2^768827755 is an apocalyptic number.

768827755 is a deficient number, since it is larger than the sum of its proper divisors (164881637).

768827755 is a wasteful number, since it uses less digits than its factorization.

768827755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852685.

The product of its digits is 6585600, while the sum is 55.

The square root of 768827755 is about 27727.7434170183. The cubic root of 768827755 is about 916.1002838757.

The spelling of 768827755 in words is "seven hundred sixty-eight million, eight hundred twenty-seven thousand, seven hundred fifty-five".