80875111 has 2 divisors, whose sum is σ = 80875112. Its totient is φ = 80875110.

The previous prime is 80875079. The next prime is 80875121. The reversal of 80875111 is 11157808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80875111 - 2⁵ = 80875079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80875121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40437555 + 40437556.

It is an arithmetic number, because the mean of its divisors is an integer number (40437556).

Almost surely, 2^80875111 is an apocalyptic number.

80875111 is a deficient number, since it is larger than the sum of its proper divisors (1).

80875111 is an equidigital number, since it uses as much as digits as its factorization.

80875111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 31.

The square root of 80875111 is about 8993.0590457308. The cubic root of 80875111 is about 432.4523849705.

The spelling of 80875111 in words is "eighty million, eight hundred seventy-five thousand, one hundred eleven".