7959659 has 4 divisors (see below), whose sum is σ = 8234160. Its totient is φ = 7685160.

The previous prime is 7959649. The next prime is 7959661. The reversal of 7959659 is 9569597.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9569597 = 19 ⋅503663.

It is a cyclic number.

It is not a de Polignac number, because 7959659 - 2¹⁶ = 7894123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7959649) 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, 137207 + ... + 137264.

It is an arithmetic number, because the mean of its divisors is an integer number (2058540).

Almost surely, 2^7959659 is an apocalyptic number.

7959659 is a deficient number, since it is larger than the sum of its proper divisors (274501).

7959659 is a wasteful number, since it uses less digits than its factorization.

7959659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274500.

The product of its digits is 765450, while the sum is 50.

The square root of 7959659 is about 2821.2867631632. The cubic root of 7959659 is about 199.6632583435.

The spelling of 7959659 in words is "seven million, nine hundred fifty-nine thousand, six hundred fifty-nine".