99047617 has 2 divisors, whose sum is σ = 99047618. Its totient is φ = 99047616.

The previous prime is 99047609. The next prime is 99047621. The reversal of 99047617 is 71674099.

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., 92852496 + 6195121 = 9636^2 + 2489^2 .

It is a cyclic number.

It is not a de Polignac number, because 99047617 - 2³ = 99047609 is a prime.

It is not a weakly prime, because it can be changed into another prime (99047657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49523808 + 49523809.

It is an arithmetic number, because the mean of its divisors is an integer number (49523809).

Almost surely, 2^99047617 is an apocalyptic number.

It is an amenable number.

99047617 is a deficient number, since it is larger than the sum of its proper divisors (1).

99047617 is an equidigital number, since it uses as much as digits as its factorization.

99047617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 99047617 is about 9952.2669276904. The cubic root of 99047617 is about 462.6806571574.

The spelling of 99047617 in words is "ninety-nine million, forty-seven thousand, six hundred seventeen".