768122885 has 8 divisors (see below), whose sum is σ = 925335576. Its totient is φ = 612106240.

The previous prime is 768122879. The next prime is 768122909. The reversal of 768122885 is 588221867.

It can be written as a sum of positive squares in 4 ways, for example, as 501715201 + 266407684 = 22399^2 + 16322^2 .

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

It is not a de Polignac number, because 768122885 - 2⁴ = 768122869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297596 + ... + 300165.

It is an arithmetic number, because the mean of its divisors is an integer number (115666947).

Almost surely, 2^768122885 is an apocalyptic number.

It is an amenable number.

768122885 is a deficient number, since it is larger than the sum of its proper divisors (157212691).

768122885 is a wasteful number, since it uses less digits than its factorization.

768122885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598023.

The product of its digits is 430080, while the sum is 47.

The square root of 768122885 is about 27715.0299476656. The cubic root of 768122885 is about 915.8202345662.

It can be divided in two parts, 76812 and 2885, that added together give a palindrome (79697).

The spelling of 768122885 in words is "seven hundred sixty-eight million, one hundred twenty-two thousand, eight hundred eighty-five".