220886457797 has 2 divisors, whose sum is σ = 220886457798. Its totient is φ = 220886457796.

The previous prime is 220886457707. The next prime is 220886457839. The reversal of 220886457797 is 797754688022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203797170721 + 17089287076 = 451439^2 + 130726^2 .

It is a cyclic number.

It is not a de Polignac number, because 220886457797 - 2⁸ = 220886457541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220886457707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110443228898 + 110443228899.

It is an arithmetic number, because the mean of its divisors is an integer number (110443228899).

Almost surely, 2^220886457797 is an apocalyptic number.

It is an amenable number.

220886457797 is a deficient number, since it is larger than the sum of its proper divisors (1).

220886457797 is an equidigital number, since it uses as much as digits as its factorization.

220886457797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94832640, while the sum is 65.

The spelling of 220886457797 in words is "two hundred twenty billion, eight hundred eighty-six million, four hundred fifty-seven thousand, seven hundred ninety-seven".