220555035099779 has 2 divisors, whose sum is σ = 220555035099780. Its totient is φ = 220555035099778.

The previous prime is 220555035099761. The next prime is 220555035099787. The reversal of 220555035099779 is 977990530555022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220555035099779 - 2²⁰ = 220555034051203 is a prime.

It is a super-3 number, since 3×220555035099779³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (220555035099799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110277517549889 + 110277517549890.

It is an arithmetic number, because the mean of its divisors is an integer number (110277517549890).

Almost surely, 2^{220555035099779} is an apocalyptic number.

220555035099779 is a deficient number, since it is larger than the sum of its proper divisors (1).

220555035099779 is an equidigital number, since it uses as much as digits as its factorization.

220555035099779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 267907500, while the sum is 68.

The spelling of 220555035099779 in words is "two hundred twenty trillion, five hundred fifty-five billion, thirty-five million, ninety-nine thousand, seven hundred seventy-nine".