768394623 has 16 divisors (see below), whose sum is σ = 1031187456. Its totient is φ = 508943040.

The previous prime is 768394619. The next prime is 768394633. The reversal of 768394623 is 326493867.

It is not a de Polignac number, because 768394623 - 2² = 768394619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768394633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423388 + ... + 425198.

It is an arithmetic number, because the mean of its divisors is an integer number (64449216).

Almost surely, 2^768394623 is an apocalyptic number.

768394623 is a deficient number, since it is larger than the sum of its proper divisors (262792833).

768394623 is a wasteful number, since it uses less digits than its factorization.

768394623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654.

The product of its digits is 1306368, while the sum is 48.

The square root of 768394623 is about 27719.9318722107. The cubic root of 768394623 is about 915.9282180772.

The spelling of 768394623 in words is "seven hundred sixty-eight million, three hundred ninety-four thousand, six hundred twenty-three".