711214678817 has 4 divisors (see below), whose sum is σ = 711232240896. Its totient is φ = 711197116740.

The previous prime is 711214678789. The next prime is 711214678819. The reversal of 711214678817 is 718876412117.

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 711214678817 - 2⁸ = 711214678561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (711214678819) 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, 8720153 + ... + 8801334.

It is an arithmetic number, because the mean of its divisors is an integer number (177808060224).

Almost surely, 2^711214678817 is an apocalyptic number.

It is an amenable number.

711214678817 is a deficient number, since it is larger than the sum of its proper divisors (17562079).

711214678817 is a wasteful number, since it uses less digits than its factorization.

711214678817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17562078.

The product of its digits is 1053696, while the sum is 53.

The spelling of 711214678817 in words is "seven hundred eleven billion, two hundred fourteen million, six hundred seventy-eight thousand, eight hundred seventeen".