766473828068 has 12 divisors (see below), whose sum is σ = 1444508368380. Its totient is φ = 353757151392.

The previous prime is 766473828049. The next prime is 766473828077. The reversal of 766473828068 is 860828374667.

It can be written as a sum of positive squares in 2 ways, for example, as 51126636544 + 715347191524 = 226112^2 + 845782^2 .

It is a super-2 number, since 2×766473828068² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 766473827995 and 766473828013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7369940603 + ... + 7369940706.

It is an arithmetic number, because the mean of its divisors is an integer number (120375697365).

Almost surely, 2^766473828068 is an apocalyptic number.

It is an amenable number.

766473828068 is a deficient number, since it is larger than the sum of its proper divisors (678034540312).

766473828068 is a wasteful number, since it uses less digits than its factorization.

766473828068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14739881326 (or 14739881324 counting only the distinct ones).

The product of its (nonzero) digits is 130056192, while the sum is 65.

The spelling of 766473828068 in words is "seven hundred sixty-six billion, four hundred seventy-three million, eight hundred twenty-eight thousand, sixty-eight".