2027777161 has 2 divisors, whose sum is σ = 2027777162. Its totient is φ = 2027777160.

The previous prime is 2027777149. The next prime is 2027777173. The reversal of 2027777161 is 1617777202.

It is a balanced prime because it is at equal distance from previous prime (2027777149) and next prime (2027777173).

It can be written as a sum of positive squares in only one way, i.e., 1990944400 + 36832761 = 44620^2 + 6069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2027777161 is a prime.

It is a super-2 number, since 2×2027777161² = 8223760429346439842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2027777131) 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, 1013888580 + 1013888581.

It is an arithmetic number, because the mean of its divisors is an integer number (1013888581).

Almost surely, 2^2027777161 is an apocalyptic number.

It is an amenable number.

2027777161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2027777161 is an equidigital number, since it uses as much as digits as its factorization.

2027777161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57624, while the sum is 40.

The square root of 2027777161 is about 45030.8467719629. The cubic root of 2027777161 is about 1265.7270913661.

The spelling of 2027777161 in words is "two billion, twenty-seven million, seven hundred seventy-seven thousand, one hundred sixty-one".