768415427 has 4 divisors (see below), whose sum is σ = 827524320. Its totient is φ = 709306536.

The previous prime is 768415421. The next prime is 768415433. The reversal of 768415427 is 724514867.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (768415421) and next prime (768415433).

It is a cyclic number.

It is not a de Polignac number, because 768415427 - 2¹⁰ = 768414403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768415421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29554427 + ... + 29554452.

It is an arithmetic number, because the mean of its divisors is an integer number (206881080).

Almost surely, 2^768415427 is an apocalyptic number.

768415427 is a deficient number, since it is larger than the sum of its proper divisors (59108893).

768415427 is a wasteful number, since it uses less digits than its factorization.

768415427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59108892.

The product of its digits is 376320, while the sum is 44.

The square root of 768415427 is about 27720.3071231182. The cubic root of 768415427 is about 915.9364841417.

The spelling of 768415427 in words is "seven hundred sixty-eight million, four hundred fifteen thousand, four hundred twenty-seven".