999476617 has 2 divisors, whose sum is σ = 999476618. Its totient is φ = 999476616.

The previous prime is 999476609. The next prime is 999476719. The reversal of 999476617 is 716674999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 762809161 + 236667456 = 27619^2 + 15384^2 .

It is a cyclic number.

It is not a de Polignac number, because 999476617 - 2³ = 999476609 is a prime.

It is a super-3 number, since 3×999476617³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (999470617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499738308 + 499738309.

It is an arithmetic number, because the mean of its divisors is an integer number (499738309).

Almost surely, 2^999476617 is an apocalyptic number.

It is an amenable number.

999476617 is a deficient number, since it is larger than the sum of its proper divisors (1).

999476617 is an equidigital number, since it uses as much as digits as its factorization.

999476617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5143824, while the sum is 58.

The square root of 999476617 is about 31614.5001067548. The cubic root of 999476617 is about 999.8255085545.

The spelling of 999476617 in words is "nine hundred ninety-nine million, four hundred seventy-six thousand, six hundred seventeen".