860880011 has 2 divisors, whose sum is σ = 860880012. Its totient is φ = 860880010.

The previous prime is 860879989. The next prime is 860880019. The reversal of 860880011 is 110088068.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 860880011 - 2¹⁰ = 860878987 is a prime.

It is a super-2 number, since 2×860880011² = 1482228786678720242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 860880011.

It is not a weakly prime, because it can be changed into another prime (860880019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430440005 + 430440006.

It is an arithmetic number, because the mean of its divisors is an integer number (430440006).

Almost surely, 2^860880011 is an apocalyptic number.

860880011 is a deficient number, since it is larger than the sum of its proper divisors (1).

860880011 is an equidigital number, since it uses as much as digits as its factorization.

860880011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 860880011 is about 29340.7568239130. The cubic root of 860880011 is about 951.2927961485.

The spelling of 860880011 in words is "eight hundred sixty million, eight hundred eighty thousand, eleven".