68782405696 has 21 divisors (see below), whose sum is σ = 136494249871. Its totient is φ = 34390153792.

The previous prime is 68782405673. The next prime is 68782405721. The reversal of 68782405696 is 69650428786.

The square root of 68782405696 is 262264.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2081721 + ... + 2114503.

Almost surely, 2^68782405696 is an apocalyptic number.

68782405696 is the 262264-th square number.

It is an amenable number.

68782405696 is a deficient number, since it is larger than the sum of its proper divisors (67711844175).

68782405696 is an frugal number, since it uses more digits than its factorization.

68782405696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65578 (or 32785 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 68782405696 in words is "sixty-eight billion, seven hundred eighty-two million, four hundred five thousand, six hundred ninety-six".