9997460917 has 2 divisors, whose sum is σ = 9997460918. Its totient is φ = 9997460916.

The previous prime is 9997460839. The next prime is 9997460933. The reversal of 9997460917 is 7190647999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6367880401 + 3629580516 = 79799^2 + 60246^2 .

It is a cyclic number.

It is not a de Polignac number, because 9997460917 - 2¹⁵ = 9997428149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9997460987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4998730458 + 4998730459.

It is an arithmetic number, because the mean of its divisors is an integer number (4998730459).

Almost surely, 2^9997460917 is an apocalyptic number.

It is an amenable number.

9997460917 is a deficient number, since it is larger than the sum of its proper divisors (1).

9997460917 is an equidigital number, since it uses as much as digits as its factorization.

9997460917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7715736, while the sum is 61.

The square root of 9997460917 is about 99987.3037790299. The cubic root of 9997460917 is about 2154.2523316470.

The spelling of 9997460917 in words is "nine billion, nine hundred ninety-seven million, four hundred sixty thousand, nine hundred seventeen".