83671311 has 8 divisors (see below), whose sum is σ = 111607344. Its totient is φ = 55758080.

The previous prime is 83671267. The next prime is 83671337. The reversal of 83671311 is 11317638.

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

It is a cyclic number.

It is not a de Polignac number, because 83671311 - 2⁹ = 83670799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83671391) 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, 6751 + ... + 14591.

It is an arithmetic number, because the mean of its divisors is an integer number (13950918).

Almost surely, 2^83671311 is an apocalyptic number.

83671311 is a deficient number, since it is larger than the sum of its proper divisors (27936033).

83671311 is a wasteful number, since it uses less digits than its factorization.

83671311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11401.

The product of its digits is 3024, while the sum is 30.

The square root of 83671311 is about 9147.2023591916. The cubic root of 83671311 is about 437.3799372312.

Adding to 83671311 its reverse (11317638), we get a palindrome (94988949).

The spelling of 83671311 in words is "eighty-three million, six hundred seventy-one thousand, three hundred eleven".