768964813 has 8 divisors (see below), whose sum is σ = 780280416. Its totient is φ = 757722000.

The previous prime is 768964811. The next prime is 768964831. The reversal of 768964813 is 318469867.

It is a happy number.

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 768964813 - 2¹ = 768964811 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 (768964811) 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, 3270 + ... + 39352.

It is an arithmetic number, because the mean of its divisors is an integer number (97535052).

Almost surely, 2^768964813 is an apocalyptic number.

It is an amenable number.

768964813 is a deficient number, since it is larger than the sum of its proper divisors (11315603).

768964813 is a wasteful number, since it uses less digits than its factorization.

768964813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36395.

The product of its digits is 1741824, while the sum is 52.

The square root of 768964813 is about 27730.2148026300. The cubic root of 768964813 is about 916.1547180067.

The spelling of 768964813 in words is "seven hundred sixty-eight million, nine hundred sixty-four thousand, eight hundred thirteen".