706075520089 has 9 divisors (see below), whose sum is σ = 707627563839. Its totient is φ = 704526878520.

The previous prime is 706075520071. The next prime is 706075520093. The reversal of 706075520089 is 980025570607.

The square root of 706075520089 is 840283.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 411031007689 + 295044512400 = 641117^2 + 543180^2 .

It is not a de Polignac number, because 706075520089 - 2⁹ = 706075519577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706075520039) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 691552399 + ... + 691553419.

It is an arithmetic number, because the mean of its divisors is an integer number (78625284871).

Almost surely, 2^706075520089 is an apocalyptic number.

706075520089 is the 840283-rd square number.

706075520089 is the 420142-nd centered octagonal number.

It is an amenable number.

706075520089 is a deficient number, since it is larger than the sum of its proper divisors (1552043750).

706075520089 is an frugal number, since it uses more digits than its factorization.

706075520089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688 (or 1844 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 49.

Multiplying 706075520089 by its sum of digits (49), we get a square (34597700484361 = 5881981²).

The spelling of 706075520089 in words is "seven hundred six billion, seventy-five million, five hundred twenty thousand, eighty-nine".