768328427 has 4 divisors (see below), whose sum is σ = 777585480. Its totient is φ = 759071376.

The previous prime is 768328391. The next prime is 768328499. The reversal of 768328427 is 724823867.

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

It is a cyclic number.

It is not a de Polignac number, because 768328427 - 2¹² = 768324331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768328727) 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, 4628402 + ... + 4628567.

It is an arithmetic number, because the mean of its divisors is an integer number (194396370).

Almost surely, 2^768328427 is an apocalyptic number.

768328427 is a deficient number, since it is larger than the sum of its proper divisors (9257053).

768328427 is an equidigital number, since it uses as much as digits as its factorization.

768328427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9257052.

The product of its digits is 903168, while the sum is 47.

The square root of 768328427 is about 27718.7378320154. The cubic root of 768328427 is about 915.9019153920.

The spelling of 768328427 in words is "seven hundred sixty-eight million, three hundred twenty-eight thousand, four hundred twenty-seven".