712378873217 has 16 divisors (see below), whose sum is σ = 822888072000. Its totient is φ = 609497341440.

The previous prime is 712378873153. The next prime is 712378873231.

712378873217 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 712378873217 - 2⁶ = 712378873153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712378873277) 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, 5708909 + ... + 5832357.

It is an arithmetic number, because the mean of its divisors is an integer number (51430504500).

Almost surely, 2^712378873217 is an apocalyptic number.

It is an amenable number.

712378873217 is a deficient number, since it is larger than the sum of its proper divisors (110509198783).

712378873217 is a wasteful number, since it uses less digits than its factorization.

712378873217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154336.

The product of its digits is 5531904, while the sum is 56.

The spelling of 712378873217 in words is "seven hundred twelve billion, three hundred seventy-eight million, eight hundred seventy-three thousand, two hundred seventeen".