2005889377 has 2 divisors, whose sum is σ = 2005889378. Its totient is φ = 2005889376.

The previous prime is 2005889351. The next prime is 2005889383. The reversal of 2005889377 is 7739885002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1896079936 + 109809441 = 43544^2 + 10479^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005889377 - 2¹¹ = 2005887329 is a prime.

It is a super-2 number, since 2×2005889377² = 8047184385522896258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2005889377.

It is not a weakly prime, because it can be changed into another prime (2005839377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002944688 + 1002944689.

It is an arithmetic number, because the mean of its divisors is an integer number (1002944689).

Almost surely, 2^2005889377 is an apocalyptic number.

It is an amenable number.

2005889377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005889377 is an equidigital number, since it uses as much as digits as its factorization.

2005889377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 2005889377 is about 44787.1563843922. The cubic root of 2005889377 is about 1261.1565296618.

The spelling of 2005889377 in words is "two billion, five million, eight hundred eighty-nine thousand, three hundred seventy-seven".