768455020 has 12 divisors (see below), whose sum is σ = 1613755584. Its totient is φ = 307382000.

The previous prime is 768455011. The next prime is 768455033. The reversal of 768455020 is 20554867.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 19211356 + ... + 19211395.

It is an arithmetic number, because the mean of its divisors is an integer number (134479632).

Almost surely, 2^768455020 is an apocalyptic number.

It is an amenable number.

768455020 is an abundant number, since it is smaller than the sum of its proper divisors (845300564).

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

768455020 is a wasteful number, since it uses less digits than its factorization.

768455020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38422760 (or 38422758 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 768455020 is about 27721.0212654585. The cubic root of 768455020 is about 915.9522152377.

The spelling of 768455020 in words is "seven hundred sixty-eight million, four hundred fifty-five thousand, twenty".