768576109 has 8 divisors (see below), whose sum is σ = 898800320. Its totient is φ = 643458816.

The previous prime is 768576091. The next prime is 768576131. The reversal of 768576109 is 901675867.

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

It is not a de Polignac number, because 768576109 - 2²¹ = 766478957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768576139) 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, 1276404 + ... + 1277005.

It is an arithmetic number, because the mean of its divisors is an integer number (112350040).

Almost surely, 2^768576109 is an apocalyptic number.

It is an amenable number.

768576109 is a deficient number, since it is larger than the sum of its proper divisors (130224211).

768576109 is a wasteful number, since it uses less digits than its factorization.

768576109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553459.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 768576109 is about 27723.2052439829. The cubic root of 768576109 is about 916.0003229819. Note that the first 3 decimals are identical.

The spelling of 768576109 in words is "seven hundred sixty-eight million, five hundred seventy-six thousand, one hundred nine".