711878625441 has 9 divisors (see below), whose sum is σ = 1028272781809. Its totient is φ = 474584062836.

The previous prime is 711878625431. The next prime is 711878625457. The reversal of 711878625441 is 144526878117.

It is a happy number.

The square root of 711878625441 is 843729.

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

711878625441 is a `hidden beast` number, since 7 + 1 + 1 + 8 + 7 + 8 + 625 + 4 + 4 + 1 = 666.

711878625441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 711878625441 - 2⁹ = 711878624929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (711878625431) 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, 2390566 + ... + 2671808.

Almost surely, 2^711878625441 is an apocalyptic number.

711878625441 is the 843729-th square number.

711878625441 is the 421865-th centered octagonal number.

It is an amenable number.

711878625441 is a deficient number, since it is larger than the sum of its proper divisors (316394156368).

711878625441 is an frugal number, since it uses more digits than its factorization.

711878625441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562492 (or 281246 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 54.

The spelling of 711878625441 in words is "seven hundred eleven billion, eight hundred seventy-eight million, six hundred twenty-five thousand, four hundred forty-one".