768422564 has 24 divisors (see below), whose sum is σ = 1655064768. Its totient is φ = 303991200.

The previous prime is 768422521. The next prime is 768422569. The reversal of 768422564 is 465224867.

768422564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (768422569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055162 + ... + 1055889.

It is an arithmetic number, because the mean of its divisors is an integer number (68961032).

Almost surely, 2^768422564 is an apocalyptic number.

It is an amenable number.

768422564 is an abundant number, since it is smaller than the sum of its proper divisors (886642204).

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

768422564 is a wasteful number, since it uses less digits than its factorization.

768422564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111075 (or 2111073 counting only the distinct ones).

The product of its digits is 645120, while the sum is 44.

The square root of 768422564 is about 27720.4358551593. The cubic root of 768422564 is about 915.9393198554.

The spelling of 768422564 in words is "seven hundred sixty-eight million, four hundred twenty-two thousand, five hundred sixty-four".