83426111 has 4 divisors (see below), whose sum is σ = 84286272. Its totient is φ = 82565952.

The previous prime is 83426051. The next prime is 83426117. The reversal of 83426111 is 11162438.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83426111 - 2⁶ = 83426047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83426117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429935 + ... + 430128.

It is an arithmetic number, because the mean of its divisors is an integer number (21071568).

Almost surely, 2^83426111 is an apocalyptic number.

83426111 is a deficient number, since it is larger than the sum of its proper divisors (860161).

83426111 is an equidigital number, since it uses as much as digits as its factorization.

83426111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860160.

The product of its digits is 1152, while the sum is 26.

The square root of 83426111 is about 9133.7895202375. The cubic root of 83426111 is about 436.9522697635.

Adding to 83426111 its reverse (11162438), we get a palindrome (94588549).

The spelling of 83426111 in words is "eighty-three million, four hundred twenty-six thousand, one hundred eleven".