971713793 has 4 divisors (see below), whose sum is σ = 973458900. Its totient is φ = 969968688.

The previous prime is 971713777. The next prime is 971713823. The reversal of 971713793 is 397317179.

It is a happy number.

971713793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 250683889 + 721029904 = 15833^2 + 26852^2 .

It is a cyclic number.

It is not a de Polignac number, because 971713793 - 2⁴ = 971713777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (971713723) 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, 871718 + ... + 872831.

It is an arithmetic number, because the mean of its divisors is an integer number (243364725).

Almost surely, 2^971713793 is an apocalyptic number.

It is an amenable number.

971713793 is a deficient number, since it is larger than the sum of its proper divisors (1745107).

971713793 is a wasteful number, since it uses less digits than its factorization.

971713793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745106.

The product of its digits is 250047, while the sum is 47.

The square root of 971713793 is about 31172.3241514007. The cubic root of 971713793 is about 990.4809393327.

The spelling of 971713793 in words is "nine hundred seventy-one million, seven hundred thirteen thousand, seven hundred ninety-three".