220075659677 has 2 divisors, whose sum is σ = 220075659678. Its totient is φ = 220075659676.

The previous prime is 220075659673. The next prime is 220075659733. The reversal of 220075659677 is 776956570022.

It is an a-pointer prime, because the next prime (220075659733) can be obtained adding 220075659677 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134651568601 + 85424091076 = 366949^2 + 292274^2 .

It is a cyclic number.

It is not a de Polignac number, because 220075659677 - 2² = 220075659673 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220075659673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110037829838 + 110037829839.

It is an arithmetic number, because the mean of its divisors is an integer number (110037829839).

Almost surely, 2^220075659677 is an apocalyptic number.

It is an amenable number.

220075659677 is a deficient number, since it is larger than the sum of its proper divisors (1).

220075659677 is an equidigital number, since it uses as much as digits as its factorization.

220075659677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11113200, while the sum is 56.

The spelling of 220075659677 in words is "two hundred twenty billion, seventy-five million, six hundred fifty-nine thousand, six hundred seventy-seven".