829790980464 has 20 divisors (see below), whose sum is σ = 2143626699656. Its totient is φ = 276596993472.

The previous prime is 829790980451. The next prime is 829790980493. The reversal of 829790980464 is 464089097928.

It is a junction number, because it is equal to n+sod(n) for n = 829790980395 and 829790980404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8643655999 + ... + 8643656094.

Almost surely, 2^829790980464 is an apocalyptic number.

It is an amenable number.

829790980464 is an abundant number, since it is smaller than the sum of its proper divisors (1313835719192).

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

829790980464 is a wasteful number, since it uses less digits than its factorization.

829790980464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17287312104 (or 17287312098 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 66.

The spelling of 829790980464 in words is "eight hundred twenty-nine billion, seven hundred ninety million, nine hundred eighty thousand, four hundred sixty-four".