1065877987 has 2 divisors, whose sum is σ = 1065877988. Its totient is φ = 1065877986.

The previous prime is 1065877933. The next prime is 1065878041. The reversal of 1065877987 is 7897785601.

It is a balanced prime because it is at equal distance from previous prime (1065877933) and next prime (1065878041).

It is an emirp because it is prime and its reverse (7897785601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1065877987 - 2¹⁹ = 1065353699 is a prime.

It is a super-2 number, since 2×1065877987² = 2272191766342344338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1065877927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532938993 + 532938994.

It is an arithmetic number, because the mean of its divisors is an integer number (532938994).

Almost surely, 2^1065877987 is an apocalyptic number.

1065877987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065877987 is an equidigital number, since it uses as much as digits as its factorization.

1065877987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5927040, while the sum is 58.

The square root of 1065877987 is about 32647.7868622055. The cubic root of 1065877987 is about 1021.4940258230.

The spelling of 1065877987 in words is "one billion, sixty-five million, eight hundred seventy-seven thousand, nine hundred eighty-seven".