84628111 has 2 divisors, whose sum is σ = 84628112. Its totient is φ = 84628110.

The previous prime is 84628099. The next prime is 84628123. The reversal of 84628111 is 11182648.

It is a balanced prime because it is at equal distance from previous prime (84628099) and next prime (84628123).

It is a cyclic number.

It is not a de Polignac number, because 84628111 - 2⁵ = 84628079 is a prime.

It is equal to p_4923391 and since 84628111 and 4923391 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84626111) 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, 42314055 + 42314056.

It is an arithmetic number, because the mean of its divisors is an integer number (42314056).

Almost surely, 2^84628111 is an apocalyptic number.

84628111 is a deficient number, since it is larger than the sum of its proper divisors (1).

84628111 is an equidigital number, since it uses as much as digits as its factorization.

84628111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 31.

The square root of 84628111 is about 9199.3538360039. The cubic root of 84628111 is about 439.0408013094.

The spelling of 84628111 in words is "eighty-four million, six hundred twenty-eight thousand, one hundred eleven".