64427111 has 12 divisors (see below), whose sum is σ = 75163392. Its totient is φ = 55063008.

The previous prime is 64427057. The next prime is 64427123. The reversal of 64427111 is 11172446.

It is not a de Polignac number, because 64427111 - 2⁶ = 64427047 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 (64427141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17051 + ... + 20483.

It is an arithmetic number, because the mean of its divisors is an integer number (6263616).

Almost surely, 2^64427111 is an apocalyptic number.

64427111 is a deficient number, since it is larger than the sum of its proper divisors (10736281).

64427111 is a wasteful number, since it uses less digits than its factorization.

64427111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830 (or 3823 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 64427111 is about 8026.6500484324. The cubic root of 64427111 is about 400.8878424647.

Adding to 64427111 its reverse (11172446), we get a palindrome (75599557).

The spelling of 64427111 in words is "sixty-four million, four hundred twenty-seven thousand, one hundred eleven".