712844776065261 has 16 divisors (see below), whose sum is σ = 1086643015576704. Its totient is φ = 407188613233344.

The previous prime is 712844776065221. The next prime is 712844776065293. The reversal of 712844776065261 is 162560677448217.

It is a happy number.

It is not a de Polignac number, because 712844776065261 - 2¹⁸ = 712844775803117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 712844776065192 and 712844776065201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712844776065221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6302392266 + ... + 6302505371.

It is an arithmetic number, because the mean of its divisors is an integer number (67915188473544).

Almost surely, 2^{712844776065261} is an apocalyptic number.

It is an amenable number.

712844776065261 is a deficient number, since it is larger than the sum of its proper divisors (373798239511443).

712844776065261 is a wasteful number, since it uses less digits than its factorization.

712844776065261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12604900340.

The product of its (nonzero) digits is 189665280, while the sum is 66.

The spelling of 712844776065261 in words is "seven hundred twelve trillion, eight hundred forty-four billion, seven hundred seventy-six million, sixty-five thousand, two hundred sixty-one".