712888888217 has 4 divisors (see below), whose sum is σ = 777696968976. Its totient is φ = 648080807460.

The previous prime is 712888888189. The next prime is 712888888247.

712888888217 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 712888888217 - 2¹² = 712888884121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712888888247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32404040363 + ... + 32404040384.

It is an arithmetic number, because the mean of its divisors is an integer number (194424242244).

Almost surely, 2^712888888217 is an apocalyptic number.

It is an amenable number.

712888888217 is a deficient number, since it is larger than the sum of its proper divisors (64808080759).

712888888217 is a wasteful number, since it uses less digits than its factorization.

712888888217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64808080758.

The product of its digits is 51380224, while the sum is 68.

The spelling of 712888888217 in words is "seven hundred twelve billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, two hundred seventeen".