7980617 has 2 divisors, whose sum is σ = 7980618. Its totient is φ = 7980616.

The previous prime is 7980601. The next prime is 7980629. The reversal of 7980617 is 7160897.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7946761 + 33856 = 2819^2 + 184^2 .

It is a cyclic number.

It is not a de Polignac number, because 7980617 - 2⁴ = 7980601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7980677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3990308 + 3990309.

It is an arithmetic number, because the mean of its divisors is an integer number (3990309).

Almost surely, 2^7980617 is an apocalyptic number.

It is an amenable number.

7980617 is a deficient number, since it is larger than the sum of its proper divisors (1).

7980617 is an equidigital number, since it uses as much as digits as its factorization.

7980617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 7980617 is about 2824.9985840704. The cubic root of 7980617 is about 199.8383443725.

The spelling of 7980617 in words is "seven million, nine hundred eighty thousand, six hundred seventeen".