711859968 has 144 divisors (see below), whose sum is σ = 2120445600. Its totient is φ = 235560960.

The previous prime is 711859963. The next prime is 711859997. The reversal of 711859968 is 869958117.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×711859968² = 1013489228081922048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (711859963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1250788 + ... + 1251356.

Almost surely, 2^711859968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 711859968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1060222800).

711859968 is an abundant number, since it is smaller than the sum of its proper divisors (1408585632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

711859968 is a wasteful number, since it uses less digits than its factorization.

711859968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775 (or 755 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 54.

The square root of 711859968 is about 26680.7040386868. The cubic root of 711859968 is about 892.8904752801.

The spelling of 711859968 in words is "seven hundred eleven million, eight hundred fifty-nine thousand, nine hundred sixty-eight".