83886081 has 4 divisors (see below), whose sum is σ = 111848112. Its totient is φ = 55924052.

The previous prime is 83886053. The next prime is 83886091. The reversal of 83886081 is 18068838.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83886081 - 2⁶ = 83886017 is a prime.

It is a super-2 number, since 2×83886081² = 14073749171077122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83886001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13981011 + ... + 13981016.

It is an arithmetic number, because the mean of its divisors is an integer number (27962028).

It is a Proth number, since it is equal to 5 ⋅ 2²⁴ + 1 and 5 < 2²⁴.

Almost surely, 2^83886081 is an apocalyptic number.

It is an amenable number.

83886081 is a deficient number, since it is larger than the sum of its proper divisors (27962031).

83886081 is a wasteful number, since it uses less digits than its factorization.

83886081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27962030.

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 83886081 is about 9158.9344904306. The cubic root of 83886081 is about 437.7538440887.

The spelling of 83886081 in words is "eighty-three million, eight hundred eighty-six thousand, eighty-one".