707217085444 has 9 divisors (see below), whose sum is σ = 1237632842901. Its totient is φ = 353607701760.

The previous prime is 707217085427. The next prime is 707217085469. The reversal of 707217085444 is 444580712707.

The square root of 707217085444 is 840962.

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., 105909891844 + 601307193600 = 325438^2 + 775440^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1471684 + ... + 1892164.

Almost surely, 2^707217085444 is an apocalyptic number.

707217085444 is the 840962-nd square number.

It is an amenable number.

707217085444 is a deficient number, since it is larger than the sum of its proper divisors (530415757457).

707217085444 is an frugal number, since it uses more digits than its factorization.

707217085444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840966 (or 420483 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 49.

Multiplying 707217085444 by its sum of digits (49), we get a square (34653637186756 = 5886734²).

The spelling of 707217085444 in words is "seven hundred seven billion, two hundred seventeen million, eighty-five thousand, four hundred forty-four".