617889000679 has 2 divisors, whose sum is σ = 617889000680. Its totient is φ = 617889000678.

The previous prime is 617889000613. The next prime is 617889000689. The reversal of 617889000679 is 976000988716.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 617889000679 - 2¹⁵ = 617888967911 is a prime.

It is a super-2 number, since 2×617889000679² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (617889000689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308944500339 + 308944500340.

It is an arithmetic number, because the mean of its divisors is an integer number (308944500340).

Almost surely, 2^617889000679 is an apocalyptic number.

617889000679 is a deficient number, since it is larger than the sum of its proper divisors (1).

617889000679 is an equidigital number, since it uses as much as digits as its factorization.

617889000679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 61.

The spelling of 617889000679 in words is "six hundred seventeen billion, eight hundred eighty-nine million, six hundred seventy-nine", and thus it is an aban number.