83111441 has 8 divisors (see below), whose sum is σ = 95096064. Its totient is φ = 71154720.

The previous prime is 83111437. The next prime is 83111459. The reversal of 83111441 is 14411138.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83111441 - 2² = 83111437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83111401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140 + ... + 12893.

It is an arithmetic number, because the mean of its divisors is an integer number (11887008).

Almost surely, 2^83111441 is an apocalyptic number.

It is an amenable number.

83111441 is a deficient number, since it is larger than the sum of its proper divisors (11984623).

83111441 is a wasteful number, since it uses less digits than its factorization.

83111441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13951.

The product of its digits is 384, while the sum is 23.

The square root of 83111441 is about 9116.5476469988. The cubic root of 83111441 is about 436.4022061486.

Adding to 83111441 its reverse (14411138), we get a palindrome (97522579).

The spelling of 83111441 in words is "eighty-three million, one hundred eleven thousand, four hundred forty-one".