84866911 has 2 divisors, whose sum is σ = 84866912. Its totient is φ = 84866910.

The previous prime is 84866879. The next prime is 84866927. The reversal of 84866911 is 11966848.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84866911 - 2⁵ = 84866879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84866011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42433455 + 42433456.

It is an arithmetic number, because the mean of its divisors is an integer number (42433456).

Almost surely, 2^84866911 is an apocalyptic number.

84866911 is a deficient number, since it is larger than the sum of its proper divisors (1).

84866911 is an equidigital number, since it uses as much as digits as its factorization.

84866911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 43.

The square root of 84866911 is about 9212.3238653447. The cubic root of 84866911 is about 439.4533690431.

The spelling of 84866911 in words is "eighty-four million, eight hundred sixty-six thousand, nine hundred eleven".