99907417 has 2 divisors, whose sum is σ = 99907418. Its totient is φ = 99907416.

The previous prime is 99907403. The next prime is 99907463. The reversal of 99907417 is 71470999.

It is an a-pointer prime, because the next prime (99907463) can be obtained adding 99907417 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53816896 + 46090521 = 7336^2 + 6789^2 .

It is an emirp because it is prime and its reverse (71470999) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99907417 is a prime.

It is a super-2 number, since 2×99907417² = 19962983943223778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99907517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49953708 + 49953709.

It is an arithmetic number, because the mean of its divisors is an integer number (49953709).

Almost surely, 2^99907417 is an apocalyptic number.

It is an amenable number.

99907417 is a deficient number, since it is larger than the sum of its proper divisors (1).

99907417 is an equidigital number, since it uses as much as digits as its factorization.

99907417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 99907417 is about 9995.3697780522. The cubic root of 99907417 is about 464.0155950590.

The spelling of 99907417 in words is "ninety-nine million, nine hundred seven thousand, four hundred seventeen".