220377077 has 2 divisors, whose sum is σ = 220377078. Its totient is φ = 220377076.

The previous prime is 220377043. The next prime is 220377139. The reversal of 220377077 is 770773022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190412401 + 29964676 = 13799^2 + 5474^2 .

It is a cyclic number.

It is not a de Polignac number, because 220377077 - 2⁶ = 220377013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220377037) 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, 110188538 + 110188539.

It is an arithmetic number, because the mean of its divisors is an integer number (110188539).

Almost surely, 2^220377077 is an apocalyptic number.

It is an amenable number.

220377077 is a deficient number, since it is larger than the sum of its proper divisors (1).

220377077 is an equidigital number, since it uses as much as digits as its factorization.

220377077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28812, while the sum is 35.

The square root of 220377077 is about 14845.1027951982. The cubic root of 220377077 is about 604.0257771918.

The spelling of 220377077 in words is "two hundred twenty million, three hundred seventy-seven thousand, seventy-seven".