88405111 has 2 divisors, whose sum is σ = 88405112. Its totient is φ = 88405110.

The previous prime is 88405067. The next prime is 88405133. The reversal of 88405111 is 11150488.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88405111 - 2⁷ = 88404983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88405111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88405411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44202555 + 44202556.

It is an arithmetic number, because the mean of its divisors is an integer number (44202556).

Almost surely, 2^88405111 is an apocalyptic number.

88405111 is a deficient number, since it is larger than the sum of its proper divisors (1).

88405111 is an equidigital number, since it uses as much as digits as its factorization.

88405111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 88405111 is about 9402.3992150940. The cubic root of 88405111 is about 445.4775179563.

Adding to 88405111 its reverse (11150488), we get a palindrome (99555599).

The spelling of 88405111 in words is "eighty-eight million, four hundred five thousand, one hundred eleven".