768065279820 has 24 divisors (see below), whose sum is σ = 2150582783664. Its totient is φ = 204817407936.

The previous prime is 768065279801. The next prime is 768065279827. The reversal of 768065279820 is 28972560867.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 12801087997 = 768065279820 / (7 + 6 + 8 + 0 + 6 + 5 + 2 + 7 + 9 + 8 + 2 + 0).

It is not an unprimeable number, because it can be changed into a prime (768065279827) 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, 6400543939 + ... + 6400544058.

It is an arithmetic number, because the mean of its divisors is an integer number (89607615986).

Almost surely, 2^768065279820 is an apocalyptic number.

It is an amenable number.

768065279820 is an abundant number, since it is smaller than the sum of its proper divisors (1382517503844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

768065279820 is a wasteful number, since it uses less digits than its factorization.

768065279820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12801088009 (or 12801088007 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 768065279820 in words is "seven hundred sixty-eight billion, sixty-five million, two hundred seventy-nine thousand, eight hundred twenty".