7713897 has 16 divisors (see below), whose sum is σ = 10523520. Its totient is φ = 5025152.

The previous prime is 7713859. The next prime is 7713907. The reversal of 7713897 is 7983177.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7713897 - 2¹¹ = 7711849 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7713817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44503 + ... + 44675.

It is an arithmetic number, because the mean of its divisors is an integer number (657720).

Almost surely, 2^7713897 is an apocalyptic number.

It is an amenable number.

7713897 is a deficient number, since it is larger than the sum of its proper divisors (2809623).

7713897 is a wasteful number, since it uses less digits than its factorization.

7713897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its digits is 74088, while the sum is 42.

The square root of 7713897 is about 2777.3903218669. The cubic root of 7713897 is about 197.5868079644.

The spelling of 7713897 in words is "seven million, seven hundred thirteen thousand, eight hundred ninety-seven".