2239257077 has 2 divisors, whose sum is σ = 2239257078. Its totient is φ = 2239257076.

The previous prime is 2239257047. The next prime is 2239257089. The reversal of 2239257077 is 7707529322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1272420241 + 966836836 = 35671^2 + 31094^2 .

It is a cyclic number.

It is not a de Polignac number, because 2239257077 - 2²² = 2235062773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2239257047) 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, 1119628538 + 1119628539.

It is an arithmetic number, because the mean of its divisors is an integer number (1119628539).

Almost surely, 2^2239257077 is an apocalyptic number.

It is an amenable number.

2239257077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2239257077 is an equidigital number, since it uses as much as digits as its factorization.

2239257077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 370440, while the sum is 44.

The square root of 2239257077 is about 47320.7890572421. The cubic root of 2239257077 is about 1308.2818562713.

The spelling of 2239257077 in words is "two billion, two hundred thirty-nine million, two hundred fifty-seven thousand, seventy-seven".