7697957 has 4 divisors (see below), whose sum is σ = 8150796. Its totient is φ = 7245120.

The previous prime is 7697947. The next prime is 7697969. The reversal of 7697957 is 7597967.

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 2563201 + 5134756 = 1601^2 + 2266^2 .

It is a cyclic number.

It is not a de Polignac number, because 7697957 - 2¹⁰ = 7696933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7697947) 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 3 ways as a sum of consecutive naturals, for example, 226394 + ... + 226427.

It is an arithmetic number, because the mean of its divisors is an integer number (2037699).

Almost surely, 2^7697957 is an apocalyptic number.

It is an amenable number.

7697957 is a deficient number, since it is larger than the sum of its proper divisors (452839).

7697957 is a wasteful number, since it uses less digits than its factorization.

7697957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452838.

The product of its digits is 833490, while the sum is 50.

The square root of 7697957 is about 2774.5192376338. The cubic root of 7697957 is about 197.4506162915.

The spelling of 7697957 in words is "seven million, six hundred ninety-seven thousand, nine hundred fifty-seven".