768953809460 has 12 divisors (see below), whose sum is σ = 1614802999908. Its totient is φ = 307581523776.

The previous prime is 768953809453. The next prime is 768953809469. The reversal of 768953809460 is 64908359867.

It can be written as a sum of positive squares in 2 ways, for example, as 450130962724 + 318822846736 = 670918^2 + 564644^2 .

It is a super-2 number, since 2×768953809460² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768953809469) 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, 19223845217 + ... + 19223845256.

It is an arithmetic number, because the mean of its divisors is an integer number (134566916659).

Almost surely, 2^768953809460 is an apocalyptic number.

It is an amenable number.

768953809460 is an abundant number, since it is smaller than the sum of its proper divisors (845849190448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

768953809460 is a wasteful number, since it uses less digits than its factorization.

768953809460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38447690482 (or 38447690480 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 65.

The spelling of 768953809460 in words is "seven hundred sixty-eight billion, nine hundred fifty-three million, eight hundred nine thousand, four hundred sixty".