712641778966 has 8 divisors (see below), whose sum is σ = 1151190566064. Its totient is φ = 328911590280.

The previous prime is 712641778949. The next prime is 712641778967. The reversal of 712641778966 is 669877146217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 712641778898 and 712641778907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712641778967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13704649570 + ... + 13704649621.

It is an arithmetic number, because the mean of its divisors is an integer number (143898820758).

Almost surely, 2^712641778966 is an apocalyptic number.

712641778966 is a deficient number, since it is larger than the sum of its proper divisors (438548787098).

712641778966 is a wasteful number, since it uses less digits than its factorization.

712641778966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27409299206.

The product of its digits is 42674688, while the sum is 64.

The spelling of 712641778966 in words is "seven hundred twelve billion, six hundred forty-one million, seven hundred seventy-eight thousand, nine hundred sixty-six".