711660047 has 4 divisors (see below), whose sum is σ = 813325776. Its totient is φ = 609994320.

The previous prime is 711660017. The next prime is 711660091. The reversal of 711660047 is 740066117.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 711660047 - 2⁶ = 711659983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 711659995 and 711660022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (711660007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50832854 + ... + 50832867.

It is an arithmetic number, because the mean of its divisors is an integer number (203331444).

Almost surely, 2^711660047 is an apocalyptic number.

711660047 is a deficient number, since it is larger than the sum of its proper divisors (101665729).

711660047 is a wasteful number, since it uses less digits than its factorization.

711660047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101665728.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 711660047 is about 26676.9572290394. The cubic root of 711660047 is about 892.8068800609.

The spelling of 711660047 in words is "seven hundred eleven million, six hundred sixty thousand, forty-seven".