4217579797 has 2 divisors, whose sum is σ = 4217579798. Its totient is φ = 4217579796.

The previous prime is 4217579767. The next prime is 4217579803. The reversal of 4217579797 is 7979757124.

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., 2868780721 + 1348799076 = 53561^2 + 36726^2 .

It is a cyclic number.

It is not a de Polignac number, because 4217579797 - 2⁷ = 4217579669 is a prime.

It is a super-2 number, since 2×4217579797² = 35575958688125122418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4217579767) 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, 2108789898 + 2108789899.

It is an arithmetic number, because the mean of its divisors is an integer number (2108789899).

Almost surely, 2^4217579797 is an apocalyptic number.

It is an amenable number.

4217579797 is a deficient number, since it is larger than the sum of its proper divisors (1).

4217579797 is an equidigital number, since it uses as much as digits as its factorization.

4217579797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7779240, while the sum is 58.

The square root of 4217579797 is about 64942.8964321734. The cubic root of 4217579797 is about 1615.6766036526.

The spelling of 4217579797 in words is "four billion, two hundred seventeen million, five hundred seventy-nine thousand, seven hundred ninety-seven".