9997470617 has 2 divisors, whose sum is σ = 9997470618. Its totient is φ = 9997470616.

The previous prime is 9997470577. The next prime is 9997470629. The reversal of 9997470617 is 7160747999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8132612761 + 1864857856 = 90181^2 + 43184^2 .

It is an emirp because it is prime and its reverse (7160747999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9997470617 - 2²⁸ = 9729035161 is a prime.

It is not a weakly prime, because it can be changed into another prime (9997470647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4998735308 + 4998735309.

It is an arithmetic number, because the mean of its divisors is an integer number (4998735309).

Almost surely, 2^9997470617 is an apocalyptic number.

It is an amenable number.

9997470617 is a deficient number, since it is larger than the sum of its proper divisors (1).

9997470617 is an equidigital number, since it uses as much as digits as its factorization.

9997470617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6001128, while the sum is 59.

The square root of 9997470617 is about 99987.3522851765. The cubic root of 9997470617 is about 2154.2530283653.

The spelling of 9997470617 in words is "nine billion, nine hundred ninety-seven million, four hundred seventy thousand, six hundred seventeen".