854402111 has 4 divisors (see below), whose sum is σ = 854462424. Its totient is φ = 854341800.

The previous prime is 854402041. The next prime is 854402119. The reversal of 854402111 is 111204458.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-854402111 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 (854402119) 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 in 3 ways as a sum of consecutive naturals, for example, 3956 + ... + 41526.

It is an arithmetic number, because the mean of its divisors is an integer number (213615606).

Almost surely, 2^854402111 is an apocalyptic number.

854402111 is a deficient number, since it is larger than the sum of its proper divisors (60313).

854402111 is a wasteful number, since it uses less digits than its factorization.

854402111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60312.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 854402111 is about 29230.1575603006. The cubic root of 854402111 is about 948.9007085021.

Adding to 854402111 its reverse (111204458), we get a palindrome (965606569).

The spelling of 854402111 in words is "eight hundred fifty-four million, four hundred two thousand, one hundred eleven".