7975797 has 8 divisors (see below), whose sum is σ = 10814880. Its totient is φ = 5226960.

The previous prime is 7975777. The next prime is 7975817.

It is a happy number.

7975797 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (7975777) and next prime (7975817).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7975797 - 2¹² = 7971701 is a prime.

It is a super-2 number, since 2×7975797² = 127226675570418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7975717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22354 + ... + 22707.

It is an arithmetic number, because the mean of its divisors is an integer number (1351860).

Almost surely, 2^7975797 is an apocalyptic number.

It is an amenable number.

7975797 is a deficient number, since it is larger than the sum of its proper divisors (2839083).

7975797 is a wasteful number, since it uses less digits than its factorization.

7975797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45123.

The product of its digits is 972405, while the sum is 51.

The square root of 7975797 is about 2824.1453574489. The cubic root of 7975797 is about 199.7981045931.

The spelling of 7975797 in words is "seven million, nine hundred seventy-five thousand, seven hundred ninety-seven".