768421579 has 8 divisors (see below), whose sum is σ = 819946640. Its totient is φ = 718004736.

The previous prime is 768421561. The next prime is 768421601. The reversal of 768421579 is 975124867.

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

It is a cyclic number.

It is not a de Polignac number, because 768421579 - 2¹⁵ = 768388811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768422579) 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, 275622 + ... + 278395.

It is an arithmetic number, because the mean of its divisors is an integer number (102493330).

Almost surely, 2^768421579 is an apocalyptic number.

768421579 is a deficient number, since it is larger than the sum of its proper divisors (51525061).

768421579 is a wasteful number, since it uses less digits than its factorization.

768421579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554109.

The product of its digits is 846720, while the sum is 49.

The square root of 768421579 is about 27720.4180884777. The cubic root of 768421579 is about 915.9389284906.

The spelling of 768421579 in words is "seven hundred sixty-eight million, four hundred twenty-one thousand, five hundred seventy-nine".