99992617 has 2 divisors, whose sum is σ = 99992618. Its totient is φ = 99992616.

The previous prime is 99992539. The next prime is 99992671. The reversal of 99992617 is 71629999.

Together with next prime (99992671) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77105961 + 22886656 = 8781^2 + 4784^2 .

It is a cyclic number.

It is not a de Polignac number, because 99992617 - 2¹⁹ = 99468329 is a prime.

It is not a weakly prime, because it can be changed into another prime (99992917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49996308 + 49996309.

It is an arithmetic number, because the mean of its divisors is an integer number (49996309).

Almost surely, 2^99992617 is an apocalyptic number.

It is an amenable number.

99992617 is a deficient number, since it is larger than the sum of its proper divisors (1).

99992617 is an equidigital number, since it uses as much as digits as its factorization.

99992617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551124, while the sum is 52.

The square root of 99992617 is about 9999.6308431862. The cubic root of 99992617 is about 464.1474601300.

The spelling of 99992617 in words is "ninety-nine million, nine hundred ninety-two thousand, six hundred seventeen".