88861111 has 2 divisors, whose sum is σ = 88861112. Its totient is φ = 88861110.

The previous prime is 88861109. The next prime is 88861127. The reversal of 88861111 is 11116888.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88861111 - 2¹ = 88861109 is a prime.

Together with 88861109, it forms a pair of twin primes.

It is equal to p_5154937 and since 88861111 and 5154937 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88861181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44430555 + 44430556.

It is an arithmetic number, because the mean of its divisors is an integer number (44430556).

Almost surely, 2^88861111 is an apocalyptic number.

88861111 is a deficient number, since it is larger than the sum of its proper divisors (1).

88861111 is an equidigital number, since it uses as much as digits as its factorization.

88861111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 34.

The square root of 88861111 is about 9426.6171556927. The cubic root of 88861111 is about 446.2421399594.

Adding to 88861111 its reverse (11116888), we get a palindrome (99977999).

It can be divided in two parts, 8886 and 1111, that multiplied together give a triangular number (9872346 = T₄₄₄₃).

The spelling of 88861111 in words is "eighty-eight million, eight hundred sixty-one thousand, one hundred eleven".